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Common molecules sample 50110 - Reciprocal Net Log in
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Empirical formula: CaO4S
a: 6.991 Å
b: 6.996 Å
c: 6.238 Å
α (alpha): 90.00 °
β (beta): 90.00 °
γ (gamma): 90.00 °
Volume: 305.09 Å3
Space group: Amma
Calculated density: 2.964 g/cm3
Z: 4
Formula weight: 136.142 g/mole
R(F): 0.1100
Common name: Anhydrite
ICSD collection code: 15876
Short description: Anhydrite is the dehydrated from of the mineral Gypsum.
Keyword: sedimentary mineral
Keyword: cement
Keyword: fertilizer
Citation of a publication: Reference: Acta Crystallographica 16 (1963) p767 Authors: Cheng, G C H, Zussman, J
IUPAC name: Calcium sulfate
Layman's explanation: Anhydrite was first discovered in 1794, in salt deposits within a salt mine near Hall in Tirol. The name, anhydrite, was given by A. G. W'erner in 1804, because of the absence of water, as contrasted with the presence of water in gypsum. Anhydrite is a common sedimentary mineral that typically forms in large rock layer from the dehydration of the mineral gypsum. Anhydrite is used in the chemical industry and also in the manufacturing of cement and fertilizers. Although good specimens are difficult to find, fine samples have been found in Mexico and Peru.
Lab name: Common molecules
Sample provider: Obtained from the Inorganic Crystal Structure Database
Status: Complete, visible to public
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