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Talc

Index Talc

Talc or talcum is a clay mineral composed of hydrated magnesium silicate with the chemical formula H2Mg3(SiO3)4 or Mg3Si4O10(OH)2. [1]

134 relations: Agriculture, Alps, Aluminium, American Academy of Pediatrics, Amphibole, An Introduction to the Rock-Forming Minerals, Archean, Asbestos, Astringent, Australia, Ångström, Baby powder, Basketball, Bhutan, Blueschist, Brazil, Calcite, Carbon dioxide, Carbon footprint, Chalk, Chlorite group, Clay minerals, Cleavage (crystal), Conflict resource, Corn starch, Cosmetics, Craton, Crazing, Crystal, Dolomite, Eclogite, Elasticity (physics), European Union, Fiber, Foliation (geology), Food additive, Food and Drug Administration, Garnet, Generally recognized as safe, Glass transition, Glaucophane, Glidant, Global Witness, Granuloma, Guiana Shield, Hardness comparison, Heroin, Himalayas, Hydrate, Immediately dangerous to life or health, ..., India, International Agency for Research on Cancer, Intravenous therapy, Irritant diaper dermatitis, Islamic State of Iraq and the Levant, Johnson & Johnson, Komatiite, Kyanite, Lachlan Fold Belt, Laundry detergent, Lubricant, Lung, Lung cancer, Lustre (mineralogy), Luzenac, Luzenac Group, Magnesite, Magnesium, Magnesium oxide, Metalworking, Metamorphic reaction, Metamorphic rock, Mica, Middle East, Mineral acid, Mohs scale of mineral hardness, Monoclinic crystal system, Musgrave Block, Nail (anatomy), Nangarhar Province, National Drug Code, National Institute for Occupational Safety and Health, Nepal, Occupational Safety and Health Administration, Olivine, Oman, Ophiolite, Orogeny, Ovarian cancer, Paint, Pakistan, Phengite, Plastic, Pleural effusion, Pleurodesis, Pneumothorax, Portland cement, Pulmonary talcosis, Pyrophyllite, Pyroxene, Quartz, Rat, Scratch hardness, Sectility, Selenite (mineral), Serpentine subgroup, Serpentinite, Silicate, Silicate minerals, Silicon dioxide, Sillimanite, Skarn, Soapstone, Specific gravity, St. Louis, Stoneware, Streak (mineralogy), Talc carbonate, Taliban, Terrane, Thoracic wall, Tonne, Toxicology Letters, Treatment of cancer, Triclinic crystal system, Turkey, Ultramafic rock, Water, Welding, Western Australia, Whiteschist, William Alexander Deer, Yilgarn Craton, Zinc oxide. Expand index (84 more) »

Agriculture

Agriculture is the cultivation of land and breeding of animals and plants to provide food, fiber, medicinal plants and other products to sustain and enhance life.

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Alps

The Alps (Alpes; Alpen; Alpi; Alps; Alpe) are the highest and most extensive mountain range system that lies entirely in Europe,The Caucasus Mountains are higher, and the Urals longer, but both lie partly in Asia.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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American Academy of Pediatrics

The American Academy of Pediatrics (AAP) is an American professional association of pediatricians, headquartered in Itasca, Illinois.

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Amphibole

Amphibole is an important group of generally dark-colored, inosilicate minerals, forming prism or needlelike crystals, composed of double chain tetrahedra, linked at the vertices and generally containing ions of iron and/or magnesium in their structures.

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An Introduction to the Rock-Forming Minerals

An Introduction to the Rock-Forming Minerals, by William Alexander Deer, Robert Andrew Howie, and Jack Zussman, is a book often considered the "bible" of mineralogy.

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Archean

The Archean Eon (also spelled Archaean or Archæan) is one of the four geologic eons of Earth history, occurring (4 to 2.5 billion years ago).

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Asbestos

Asbestos is a set of six naturally occurring silicate minerals, which all have in common their eponymous asbestiform habit: i.e. long (roughly 1:20 aspect ratio), thin fibrous crystals, with each visible fiber composed of millions of microscopic "fibrils" that can be released by abrasion and other processes.

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Astringent

An astringent (sometimes called adstringent) is a chemical that shrinks or constricts body tissues.

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Australia

Australia, officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands.

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Ångström

The ångström or angstrom is a unit of length equal to (one ten-billionth of a metre) or 0.1 nanometre.

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Baby powder

Baby powder is an astringent powder used for preventing diaper rash, as a deodorant, and for other cosmetic uses.

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Basketball

Basketball is a team sport played on a rectangular court.

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Bhutan

Bhutan, officially the Kingdom of Bhutan (Druk Gyal Khap), is a landlocked country in South Asia.

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Blueschist

Blueschist, also called glaucophane schist, is a metavolcanic rock that forms by the metamorphism of basalt and rocks with similar composition at high pressures and low temperatures (200 to ~500 degrees Celsius), approximately corresponding to a depth of 15 to 30 kilometers.

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Brazil

Brazil (Brasil), officially the Federative Republic of Brazil (República Federativa do Brasil), is the largest country in both South America and Latin America.

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Calcite

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Carbon footprint

A carbon footprint is historically defined as the total emissions caused by an individual, event, organisation, or product, expressed as carbon dioxide equivalent.

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Chalk

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite.

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Chlorite group

The chlorites are a group of phyllosilicate minerals.

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Clay minerals

Clay minerals are hydrous aluminium phyllosilicates, sometimes with variable amounts of iron, magnesium, alkali metals, alkaline earths, and other cations found on or near some planetary surfaces.

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Cleavage (crystal)

Cleavage, in mineralogy, is the tendency of crystalline materials to split along definite crystallographic structural planes.

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Conflict resource

Conflict resources are natural resources extracted in a conflict zone and sold to perpetuate the fighting.

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Corn starch

Corn starch, cornstarch, cornflour or maize starch or maize is the starch derived from the corn (maize) grain.

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Cosmetics

Cosmetics are substances or products used to enhance or alter the appearance of the face or fragrance and texture of the body.

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Craton

A craton (or; from κράτος kratos "strength") is an old and stable part of the continental lithosphere, where the lithosphere consists of the Earth's two topmost layers, the crust and the uppermost mantle.

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Crazing

Crazing is the phenomenon that produces a network of fine cracks on the surface of a material, for example in a glaze layer.

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Crystal

A crystal or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

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Dolomite

Dolomite is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite.

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Eclogite

Eclogite is a mafic metamorphic rock.

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Elasticity (physics)

In physics, elasticity (from Greek ἐλαστός "ductible") is the ability of a body to resist a distorting influence and to return to its original size and shape when that influence or force is removed.

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European Union

The European Union (EU) is a political and economic union of EUnum member states that are located primarily in Europe.

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Fiber

Fiber or fibre (see spelling differences, from the Latin fibra) is a natural or synthetic substance that is significantly longer than it is wide.

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Foliation (geology)

Foliation in geology refers to repetitive layering in metamorphic rocks.

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Food additive

Food additives are substances added to food to preserve flavor or enhance its taste, appearance, or other qualities.

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Food and Drug Administration

The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.

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Garnet

Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives.

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Generally recognized as safe

Generally recognized as safe (GRAS) is an American Food and Drug Administration (FDA) designation that a chemical or substance added to food is considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements.

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Glass transition

The glass–liquid transition, or glass transition, is the gradual and reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials), from a hard and relatively brittle "glassy" state into a viscous or rubbery state as the temperature is increased.

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Glaucophane

Glaucophane is the name of a mineral and a mineral group belonging to the sodic amphibole supergroup of the double chain inosilicates, with the chemical formula ☐Na2(Mg3Al2)Si8O22(OH)2.

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Glidant

A glidant is a substance that is added to a powder to improve its flowability.

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Global Witness

Global Witness is an international NGO established in 1993 that works to break the links between natural resource exploitation, conflict, poverty, corruption, and human rights abuses worldwide.

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Granuloma

Granuloma is an inflammation found in many diseases.

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Guiana Shield

The Guiana Shield is one of the three cratons of the South American Plate.

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Hardness comparison

There are a large number of hardness testing methods available (e.g. Vickers, Brinell, Rockwell, Meyer and Leeb).

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Heroin

Heroin, also known as diamorphine among other names, is an opioid most commonly used as a recreational drug for its euphoric effects.

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Himalayas

The Himalayas, or Himalaya, form a mountain range in Asia separating the plains of the Indian subcontinent from the Tibetan Plateau.

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Hydrate

In chemistry, a hydrate is a substance that contains water or its constituent elements.

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Immediately dangerous to life or health

The term immediately dangerous to life or health (IDLH) is defined by the US National Institute for Occupational Safety and Health (NIOSH) as exposure to airborne contaminants that is "likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment." Examples include smoke or other poisonous gases at sufficiently high concentrations.

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India

India (IAST), also called the Republic of India (IAST), is a country in South Asia.

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International Agency for Research on Cancer

The International Agency for Research on Cancer (IARC; Centre International de Recherche sur le Cancer, CIRC) is an intergovernmental agency forming part of the World Health Organization of the United Nations.

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Intravenous therapy

Intravenous therapy (IV) is a therapy that delivers liquid substances directly into a vein (intra- + ven- + -ous).

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Irritant diaper dermatitis

Irritant diaper dermatitis is a generic term applied to skin rashes in the diaper area that are caused by various skin disorders and/or irritants.

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Islamic State of Iraq and the Levant

The Islamic State of Iraq and the Levant (ISIL), also known as the Islamic State of Iraq and Syria or Islamic State of Iraq and al-Sham (ISIS), Islamic State (IS) and by its Arabic language acronym Daesh (داعش dāʿish), is a Salafi jihadist terrorist organisation and former unrecognised proto-state that follows a fundamentalist, Salafi/Wahhabi doctrine of Sunni Islam.

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Johnson & Johnson

Johnson & Johnson is an American multinational medical devices, pharmaceutical and consumer packaged goods manufacturing company founded in 1886.

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Komatiite

Komatiite is a type of ultramafic mantle-derived volcanic rock.

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Kyanite

Kyanite is a typically blue silicate mineral, commonly found in aluminium-rich metamorphic pegmatites and/or sedimentary rock.

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Lachlan Fold Belt

The Lachlan Fold Belt (LFB) or Lachlan Orogen is a geological subdivision of the east part of Australia.

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Laundry detergent

Laundry detergent, or washing powder, is a type of detergent (cleaning agent) that is added for cleaning laundry.

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Lubricant

A lubricant is a substance, usually organic, introduced to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move.

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Lung

The lungs are the primary organs of the respiratory system in humans and many other animals including a few fish and some snails.

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Lung cancer

Lung cancer, also known as lung carcinoma, is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung.

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Lustre (mineralogy)

Lustre or luster is the way light interacts with the surface of a crystal, rock, or mineral.

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Luzenac

Luzenac is a commune in the Ariège department in southwestern France.

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Luzenac Group

The Luzenac Group is a talc mining company headquartered in Toulouse, France.

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Magnesite

Magnesite is a mineral with the chemical formula MgCO3 (magnesium carbonate).

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Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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Magnesium oxide

Magnesium oxide (MgO), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).

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Metalworking

Metalworking is the process of working with metals to create individual parts, assemblies, or large-scale structures.

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Metamorphic reaction

A metamorphic reaction is a chemical reaction that takes place during the geological process of metamorphism wherein one assemblage of minerals is transformed into a second assemblage which is stable under the new temperature/pressure conditions resulting in the final stable state of the observed metamorphic rock.

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Metamorphic rock

Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form".

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Mica

The mica group of sheet silicate (phyllosilicate) minerals includes several closely related materials having nearly perfect basal cleavage.

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Middle East

The Middle Easttranslit-std; translit; Orta Şərq; Central Kurdish: ڕۆژھەڵاتی ناوین, Rojhelatî Nawîn; Moyen-Orient; translit; translit; translit; Rojhilata Navîn; translit; Bariga Dhexe; Orta Doğu; translit is a transcontinental region centered on Western Asia, Turkey (both Asian and European), and Egypt (which is mostly in North Africa).

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Mineral acid

A mineral acid (or inorganic acid) is an acid derived from one or more inorganic compounds.

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Mohs scale of mineral hardness

The Mohs scale of mineral hardness is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material.

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Monoclinic crystal system

In crystallography, the monoclinic crystal system is one of the 7 crystal systems.

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Musgrave Block

The Musgrave Block (also known as the Musgrave Province) is an east-west trending belt of Proterozoic granulite-gneiss basement rocks approximately long.

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Nail (anatomy)

A nail is a horn-like envelope covering the tips of the fingers and toes in most primates and a few other mammals.

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Nangarhar Province

Nangarhār (ننګرهار; ننگرهار) is one of the 34 provinces of Afghanistan, located in the eastern part of the country.

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National Drug Code

The National Drug Code (NDC) is a unique product identifier used in the United States for drugs intended for human use.

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National Institute for Occupational Safety and Health

The National Institute for Occupational Safety and Health (NIOSH) is the United States federal agency responsible for conducting research and making recommendations for the prevention of work-related injury and illness.

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Nepal

Nepal (नेपाल), officially the Federal Democratic Republic of Nepal (सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल), is a landlocked country in South Asia located mainly in the Himalayas but also includes parts of the Indo-Gangetic Plain.

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Occupational Safety and Health Administration

The Occupational Safety and Health Administration (OSHA) is an agency of the United States Department of Labor.

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Olivine

The mineral olivine is a magnesium iron silicate with the formula (Mg2+, Fe2+)2SiO4.

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Oman

Oman (عمان), officially the Sultanate of Oman (سلطنة عُمان), is an Arab country on the southeastern coast of the Arabian Peninsula in Western Asia.

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Ophiolite

An ophiolite is a section of the Earth's oceanic crust and the underlying upper mantle that has been uplifted and exposed above sea level and often emplaced onto continental crustal rocks.

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Orogeny

An orogeny is an event that leads to a large structural deformation of the Earth's lithosphere (crust and uppermost mantle) due to the interaction between plate tectonics.

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Ovarian cancer

Ovarian cancer is a cancer that forms in or on an ovary.

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Paint

Paint is any liquid, liquefiable, or mastic composition that, after application to a substrate in a thin layer, converts to a solid film.

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Pakistan

Pakistan (پاکِستان), officially the Islamic Republic of Pakistan (اِسلامی جمہوریہ پاکِستان), is a country in South Asia.

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Phengite

Phengite is a series name for dioctahedral micas of composition K(AlMg)2(OH)2(SiAl)4O10, similar to muscovite but with addition of magnesium.

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Plastic

Plastic is material consisting of any of a wide range of synthetic or semi-synthetic organic compounds that are malleable and so can be molded into solid objects.

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Pleural effusion

A pleural effusion is excess fluid that accumulates in the pleural cavity, the fluid-filled space that surrounds the lungs.

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Pleurodesis

Pleurodesis is a medical procedure in which the pleural space is artificially obliterated.

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Pneumothorax

A pneumothorax is an abnormal collection of air in the pleural space between the lung and the chest wall.

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Portland cement

Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar, stucco, and non-specialty grout.

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Pulmonary talcosis

Pulmonary talcosis, less specifically referred to as talcosis, is a pulmonary disorder caused by talc.

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Pyrophyllite

Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2.

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Pyroxene

The pyroxenes (commonly abbreviated to Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks.

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Quartz

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

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Rat

Rats are various medium-sized, long-tailed rodents in the superfamily Muroidea.

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Scratch hardness

Scratch hardness tests are used to determine the hardness of a material to scratches and abrasion.

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Sectility

Sectility is the ability to be cut into pieces.

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Selenite (mineral)

Selenite, satin spar, desert rose, and gypsum flower are four varieties of the mineral gypsum; all four varieties show obvious crystalline structure.

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Serpentine subgroup

The serpentine subgroup (part of the kaolinite-serpentine group) are greenish, brownish, or spotted minerals commonly found in serpentinite rocks.

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Serpentinite

Serpentinite is a rock composed of one or more serpentine group minerals, the name originating from the similarity of the texture of the rock to that of the skin of a snake.

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Silicate

In chemistry, a silicate is any member of a family of anions consisting of silicon and oxygen, usually with the general formula, where 0 ≤ x Silicate anions are often large polymeric molecules with an extense variety of structures, including chains and rings (as in polymeric metasilicate), double chains (as in, and sheets (as in. In geology and astronomy, the term silicate is used to mean silicate minerals, ionic solids with silicate anions; as well as rock types that consist predominantly of such minerals. In that context, the term also includes the non-ionic compound silicon dioxide (silica, quartz), which would correspond to x.

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Silicate minerals

Silicate minerals are rock-forming minerals with predominantly silicate anions.

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Silicon dioxide

Silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula, most commonly found in nature as quartz and in various living organisms.

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Sillimanite

Sillimanite is an aluminosilicate mineral with the chemical formula Al2SiO5.

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Skarn

Skarns or tactites are hard, coarse-grained metamorphic rocks that form by a process called Metasomatism.

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Soapstone

Soapstone (also known as steatite or soaprock) is a talc-schist, which is a type of metamorphic rock.

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Specific gravity

Specific gravity is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

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St. Louis

St.

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Stoneware

--> Stoneware is a rather broad term for pottery or other ceramics fired at a relatively high temperature.

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Streak (mineralogy)

The streak (also called "powder color") of a mineral is the color of the powder produced when it is dragged across an un-weathered surface.

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Talc carbonate

Talc carbonates are a suite of rock and mineral compositions found in metamorphic ultramafic rocks.

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Taliban

The Taliban (طالبان "students"), alternatively spelled Taleban, which refers to itself as the Islamic Emirate of Afghanistan (IEA), is a Sunni Islamic fundamentalist political movement in Afghanistan currently waging war (an insurgency, or jihad) within that country.

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Terrane

A terrane in geology, in full a tectonostratigraphic terrane, is a fragment of crustal material formed on, or broken off from, one tectonic plate and accreted or "sutured" to crust lying on another plate.

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Thoracic wall

The thoracic wall or chest wall is the boundary of the thoracic cavity.

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Tonne

The tonne (Non-SI unit, symbol: t), commonly referred to as the metric ton in the United States, is a non-SI metric unit of mass equal to 1,000 kilograms;.

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Toxicology Letters

Toxicology Letters is a peer-reviewed scientific journal for the rapid publication of short reports on all aspects of toxicology, especially mechanisms of toxicity.

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Treatment of cancer

Cancer can be treated by surgery, chemotherapy, radiation therapy, hormonal therapy, targeted therapy (including immunotherapy such as monoclonal antibody therapy) and synthetic lethality.

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Triclinic crystal system

Triclinic (a ≠ b ≠ c and α ≠ β ≠ γ) In crystallography, the triclinic (or anorthic) crystal system is one of the 7 crystal systems.

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Turkey

Turkey (Türkiye), officially the Republic of Turkey (Türkiye Cumhuriyeti), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe.

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Ultramafic rock

Ultramafic (also referred to as ultrabasic rocks, although the terms are not wholly equivalent) are igneous and meta-igneous rocks with a very low silica content (less than 45%), generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals (dark colored, high magnesium and iron content).

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Water

Water is a transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.

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Welding

Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.

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Western Australia

Western Australia (abbreviated as WA) is a state occupying the entire western third of Australia.

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Whiteschist

A whiteschist is an uncommon metamorphic rock formed at high to ultra-high pressures.

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William Alexander Deer

William Alexander Deer FRS (1910–2009) was a British geologist.

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Yilgarn Craton

The Yilgarn Craton is a large craton that constitutes the bulk of the Western Australian land mass.

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Zinc oxide

Zinc oxide is an inorganic compound with the formula ZnO.

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ATC code A02AA05, ATCvet code QA02AA05, Clinoenstatite, E553b, French chalk, Magnesium Silicate, Magnesium silicate, Sterile talc powder, Talc (mineral), Talc powder, Talcum, Talcum powder.

References

[1] https://en.wikipedia.org/wiki/Talc

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