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Vaterite

Vaterite is a mineral, a polymorph of calcium carbonate (CaCO3). It was named after the German mineralogist Heinrich Vater. It is also known as mu-calcium carbonate (μ-CaCO3). Vaterite belongs to the hexagonal crystal system, whereas calcite is trigonal and aragonite is orthorhombic.

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Birefringence
δ = 0.100
Category
Carbonate minerals
Color
Colorless
Crystal class
Dihexagonal dipyramidal (6mmm) H-M symbol: (6/m 2/m 2/m)
Crystal habit
Fine fibrous crystals, typically less than 0.1 mm, in spherulitic aggregates.
Crystal system
Hexagonal

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Vaterite

Nodes23
Edges22
Triples20
Avg. degree1.91
Density0.086957
Components1

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Vaterite

Top relations

Birefringence · 1
Vaterite → δ = 0.100
Category · 1
Vaterite → Carbonate minerals
Color · 1
Vaterite → Colorless
Crystal class · 1
Vaterite → Dihexagonal dipyramidal (6mmm) H-M symbol: (6/m 2/m 2/m)
Crystal habit · 1
Vaterite → Fine fibrous crystals, typically less than 0.1 mm, in spherulitic aggregates.
Crystal system · 1
Vaterite → Hexagonal
Diaphaneity · 1
Vaterite → Transparent to semi-transparent
Formula · 1
Vaterite → CaCO3
Fracture · 1
Vaterite → Irregular to uneven, splintery
IMA symbol · 1
Vaterite → Vtr

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Important terminology

aragonite calcite carbonate mineral polymorph caco3 calcium occurs process organic shell production hexagonal also crystal system less colorless references named

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
VateriteBirefringenceδ = 0.1001.00infobox
VateriteCategoryCarbonate minerals1.00infobox
VateriteColorColorless1.00infobox
VateriteCrystal classDihexagonal dipyramidal (6mmm) H-M symbol: (6/m 2/m 2/m)1.00infobox
VateriteCrystal habitFine fibrous crystals, typically less than 0.1 mm, in spherulitic aggregates.1.00infobox
VateriteCrystal systemHexagonal1.00infobox
VateriteDiaphaneityTransparent to semi-transparent1.00infobox
VateriteFormulaCaCO31.00infobox
VateriteFractureIrregular to uneven, splintery1.00infobox
VateriteIMA symbolVtr1.00infobox
VateriteLusterSub-vitreous, waxy1.00infobox
VateriteMohs scale hardness31.00infobox
VateriteOptical propertiesUniaxial (+)1.00infobox
VateriteRefractive indexnω = 1.550 nε = 1.6501.00infobox
VateriteSpace groupP63/mmc {P63/m 2/m 2/c}1.00infobox
VateriteSpecific gravity2.541.00infobox
VateriteStrunz classification5.AB.201.00infobox
VateriteTenacityBrittle1.00infobox
VateriteUnit cella = 4.13, c = 8.49 [Å]; Z = 61.00infobox
Vateriteis amineral0.90text

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