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39 relations: Aggregate (geology), Carbonate minerals, Chlorite group, Chromite, Chromium, Conglomerate (geology), Corundum, Eskolaite, Finland, Gold, Graphite, Guyana, Hermann–Mauguin notation, Hexagonal crystal family, Hydrogen bond, Hydrothermal circulation, Orthorhombic crystal system, Oxalic acid, Oxide minerals, Polymorphism (materials science), Powder diffraction, Pseudomorph, Pyrophyllite, Quartz, Quartzite, Redox, Rutile, Sandstone, Scree, Skarn, Space group, Sulfide minerals, Titanite, Tremolite, Uraninite, Vein (geology), Volcanic ash, Zinc, Zircon.
Aggregate (geology)
In the Earth sciences, aggregrate has three possible meanings.
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Carbonate minerals
Carbonate minerals are those minerals containing the carbonate ion, CO32−.
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Chlorite group
The chlorites are a group of phyllosilicate minerals.
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Chromite
Chromite is an iron chromium oxide: FeCr2O4.
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Chromium
Chromium is a chemical element with symbol Cr and atomic number 24.
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Conglomerate (geology)
Conglomerate is a coarse-grained clastic sedimentary rock that is composed of a substantial fraction of rounded to subangular gravel-size clasts, e.g., granules, pebbles, cobbles, and boulders, larger than in diameter.
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Corundum
Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium and chromium.
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Eskolaite
Eskolaite is an uncommon chromium oxide mineral (chromium(III) oxide Cr2O3).
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Finland
Finland (Suomi; Finland), officially the Republic of Finland is a country in Northern Europe bordering the Baltic Sea, Gulf of Bothnia, and Gulf of Finland, between Norway to the north, Sweden to the northwest, and Russia to the east.
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Gold
Gold is a chemical element with symbol Au (from aurum) and atomic number 79, making it one of the higher atomic number elements that occur naturally.
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Graphite
Graphite, archaically referred to as plumbago, is a crystalline allotrope of carbon, a semimetal, a native element mineral, and a form of coal.
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Guyana
Guyana (pronounced or), officially the Co-operative Republic of Guyana, is a sovereign state on the northern mainland of South America.
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Hermann–Mauguin notation
In geometry, Hermann–Mauguin notation is used to represent the symmetry elements in point groups, plane groups and space groups.
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Hexagonal crystal family
In crystallography, the hexagonal crystal family is one of the 6 crystal families, which includes 2 crystal systems (hexagonal and trigonal) and 2 lattice systems (hexagonal and rhombohedral).
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Hydrogen bond
A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.
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Hydrothermal circulation
Hydrothermal circulation in its most general sense is the circulation of hot water (Ancient Greek ὕδωρ, water,Liddell, H.G. & Scott, R. (1940). A Greek-English Lexicon. revised and augmented throughout by Sir Henry Stuart Jones. with the assistance of. Roderick McKenzie. Oxford: Clarendon Press. and θέρμη, heat). Hydrothermal circulation occurs most often in the vicinity of sources of heat within the Earth's crust.
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Orthorhombic crystal system
In crystallography, the orthorhombic crystal system is one of the 7 crystal systems.
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Oxalic acid
Oxalic acid is an organic compound with the formula C2H2O4.
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Oxide minerals
The oxide mineral class includes those minerals in which the oxide anion (O2−) is bonded to one or more metal ions.
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Polymorphism (materials science)
In materials science, polymorphism is the ability of a solid material to exist in more than one form or crystal structure.
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Powder diffraction
Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization of materials.
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Pseudomorph
In mineralogy, a pseudomorph is a mineral or mineral compound that appears in an atypical form (crystal system), resulting from a substitution process in which the appearance and dimensions remain constant, but the original mineral is replaced by another.
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Pyrophyllite
Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2.
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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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Quartzite
Quartzite (from Quarzit) is a hard, non-foliated metamorphic rock which was originally pure quartz sandstone.
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Redox
Redox (short for reduction–oxidation reaction) (pronunciation: or) is a chemical reaction in which the oxidation states of atoms are changed.
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Rutile
Rutile is a mineral composed primarily of titanium dioxide (TiO2).
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Sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) mineral particles or rock fragments.
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Scree
Scree is a collection of broken rock fragments at the base of crags, mountain cliffs, volcanoes or valley shoulders that has accumulated through periodic rockfall from adjacent cliff faces.
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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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Space group
In mathematics, physics and chemistry, a space group is the symmetry group of a configuration in space, usually in three dimensions.
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Sulfide minerals
The sulfide minerals are a class of minerals containing sulfide (S2−) as the major anion.
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Titanite
Titanite, or sphene (from the Greek sphenos (σφηνώ), meaning wedge), is a calcium titanium nesosilicate mineral, CaTiSiO5.
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Tremolite
Tremolite is a member of the amphibole group of silicate minerals with composition: ☐Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2.
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Uraninite
Uraninite, formerly pitchblende, is a radioactive, uranium-rich mineral and ore with a chemical composition that is largely UO2, but due to oxidation the mineral typically contains variable proportions of U3O8.
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Vein (geology)
In geology, a vein is a distinct sheetlike body of crystallized minerals within a rock.
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Volcanic ash
Volcanic ash consists of fragments of pulverized rock, minerals and volcanic glass, created during volcanic eruptions and measuring less than 2 mm (0.079 inches) in diameter.
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Zinc
Zinc is a chemical element with symbol Zn and atomic number 30.
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Zircon
Zircon is a mineral belonging to the group of nesosilicates.
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References
[1] https://en.wikipedia.org/wiki/Guyanaite
