58 relations: Acicular (crystal habit), Ammolite, Ammonoidea, Anthodite, Aquarium, Aragon, Aragonite sea, Aude, Biogenic substance, Blue mussel, Bravais lattice, Calcite, Calcium, Calcium carbonate, Carbon, Carbonate minerals, Carboniferous, Carlsbad Caverns National Park, Castile (historical region), Castilla–La Mancha, Cobalt, Coral, Cretaceous, Crystal twinning, Duchy of Carinthia, Fossil, Hermann–Mauguin notation, Ikaite, Iridescence, Lead, Metastability, Mineral, Molina de Aragón, Mollusca, Monohydrocalcite, Nacre, Ochtinská Aragonite Cave, Oolitic aragonite sand, Ore, Orthorhombic crystal system, Oxygen, Pierre Shale, Polymorphism (materials science), Province of Guadalajara, Salsigne, Scanning electron microscope, Scleractinia, Serpulidae, Slovakia, Spain, ..., Speleothem, Stalactite, Standard conditions for temperature and pressure, The Bahamas, Thermodynamics, Type locality (geology), Vaterite, Zinc. Expand index (8 more) » « Shrink index
Acicular, in mineralogy, refers to a crystal habit composed of slender, needle-like crystals.
Ammolite is an opal-like organic gemstone found primarily along the eastern slopes of the Rocky Mountains of North America.
Ammonoids are an extinct group of marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda.
Anthodites (Greek ἄνθος ánthos, “flower”, -ode, adjectival combining form, -ite adjectival suffix) are speleothems (cave formations) composed of long needle-like crystals situated in clusters which radiate outward from a common base.
An aquarium (plural: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed.
Aragon (or, Spanish and Aragón, Aragó or) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon.
An aragonite sea contains aragonite and high-magnesium calcite as the primary inorganic calcium carbonate precipitates.
Aude is a department in south-central France named after the river Aude.
A biogenic substance is a substance produced by life processes.
The blue mussel (Mytilus edulis), also known as the common mussel, is a medium-sized edible marine bivalve mollusc in the family Mytilidae, the mussels.
In geometry and crystallography, a Bravais lattice, named after, is an infinite array of discrete points in three dimensional space generated by a set of discrete translation operations described by: where ni are any integers and ai are known as the primitive vectors which lie in different directions and span the lattice.
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).
Calcium is a chemical element with symbol Ca and atomic number 20.
Calcium carbonate is a chemical compound with the formula CaCO3.
Carbon (from carbo "coal") is a chemical element with symbol C and atomic number 6.
Carbonate minerals are those minerals containing the carbonate ion, CO32−.
The Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period million years ago (Mya), to the beginning of the Permian Period, Mya.
Carlsbad Caverns National Park is an American national park in the Guadalupe Mountains of southeastern New Mexico.
Castile is a vaguely defined historical region of Spain.
Castilla–La Mancha (or Castile–La Mancha) is an autonomous community of Spain.
Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.
The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.
Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.
Christmas traditions vary from country to country.
Cobalt is a chemical element with symbol Co and atomic number 27.
Corals are marine invertebrates in the class Anthozoa of phylum Cnidaria.
The Cretaceous is a geologic period and system that spans 79 million years from the end of the Jurassic Period million years ago (mya) to the beginning of the Paleogene Period mya.
Crystal twinning occurs when two separate crystals share some of the same crystal lattice points in a symmetrical manner.
The Duchy of Carinthia (Herzogtum Kärnten; Vojvodina Koroška) was a duchy located in southern Austria and parts of northern Slovenia.
A fossil (from Classical Latin fossilis; literally, "obtained by digging") is any preserved remains, impression, or trace of any once-living thing from a past geological age.
In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.
Ikaite is the mineral name for the hexahydrate of calcium carbonate, CaCO3·6H2O.
Iridescence (also known as goniochromism) is the phenomenon of certain surfaces that appear to gradually change colour as the angle of view or the angle of illumination changes.
Lead is a chemical element with symbol Pb (from the Latin plumbum) and atomic number 82.
In physics, metastability is a stable state of a dynamical system other than the system's state of least energy.
A mineral is a naturally occurring chemical compound, usually of crystalline form and not produced by life processes.
Molina de Aragón is a municipality located in the province of Guadalajara, Castile-La Mancha, Spain.
Mollusca is a large phylum of invertebrate animals whose members are known as molluscs or mollusksThe formerly dominant spelling mollusk is still used in the U.S. — see the reasons given in Gary Rosenberg's.
Monohydrocalcite is a mineral that is a hydrous form of calcium carbonate, CaCO3·H2O.
Nacre (also), also known as mother of pearl, is an organic-inorganic composite material produced by some molluscs as an inner shell layer; it also makes up the outer coating of pearls.
New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.
New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.
In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.
Ochtinská Aragonite Cave (Ochtinská aragonitová jaskyňa, Martonházi-aragonitbarlangthe Magyar Wikipedia article uses a different title) is a unique aragonite cave situated in southern Slovakia, near Rožňava.
Oolitic aragonite sand forms in tropical waters.
An ore is an occurrence of rock or sediment that contains sufficient minerals with economically important elements, typically metals, that can be economically extracted from the deposit.
In crystallography, the orthorhombic crystal system is one of the 7 crystal systems.
Oxygen is a chemical element with symbol O and atomic number 8.
The Pierre Shale is a geologic formation or series in the Upper Cretaceous which occurs east of the Rocky Mountains in the Great Plains, from Pembina Valley in Canada to New Mexico.
In materials science, polymorphism is the ability of a solid material to exist in more than one form or crystal structure.
Guadalajara (from Arabic وادي الحجارة wādi al-ħajāra, "streambed/valley of stones") is a province of central/north-central Spain, in the northern part of the autonomous community of Castile–La Mancha.
Salsigne is a commune in the Aude department in southern France.
A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons.
Scleractinia, also called stony corals or hard corals, are marine animals in the phylum Cnidaria that build themselves a hard skeleton.
The Serpulidae are a family of sessile, tube-building annelid worms in the class Polychaeta.
Slovakia (Slovensko), officially the Slovak Republic (Slovenská republika), is a landlocked country in Central Europe.
Spain (España), officially the Kingdom of Spain (Reino de España), is a sovereign state mostly located on the Iberian Peninsula in Europe.
Speleothems (Ancient Greek: "cave deposit"), commonly known as cave formations, are secondary mineral deposits formed in a cave.
A stalactite (from the Greek stalasso, (σταλάσσω), "to drip", and meaning "that which drips") is a type of formation that hangs from the ceiling of caves, hot springs, or manmade structures such as bridges and mines.
Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.
The Bahamas, known officially as the Commonwealth of The Bahamas, is an archipelagic state within the Lucayan Archipelago.
Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.
Type locality, also called type area, type site, or type section, is the locality where a particular rock type, stratigraphic unit or mineral species is first identified.
Vaterite is a mineral, a polymorph of calcium carbonate (CaCO3).
Zinc is a chemical element with symbol Zn and atomic number 30.
2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.
2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.