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Calcium sulfate anhydrous
SpectraBase Compound ID HtMwzfu1mwk
InChI InChI=1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKey OSGAYBCDTDRGGQ-UHFFFAOYSA-L
Mol Weight 136.13 g/mol
Molecular Formula CaO4S
Exact Mass 135.914321 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID BcbELq8lqDs
Name GYPSUM
Source of Sample National Museum of Natural History, Smithsonian Institution, Washington, D.C.
Composition CaSO4 .2H2O
Copyright Copyright © 1980, 1981-2024 John Wiley & Sons, Inc. All Rights Reserved.
Crystal System MONOCLINIC
InChI InChI=1S/Ca.H2O4S/c;1-5(2,3)4/h;(H2,1,2,3,4)/q+2;/p-2
InChIKey OSGAYBCDTDRGGQ-UHFFFAOYSA-L
Occurrence IN SEDIMENTARY DEPOSITS IN SALINE LAKES AND PLAYAS, AS AN EFFLORESCENCE ON CERTAIN SOILS, IN THE OXIDIZED ZONE OF ORE DEPOSITS AND IN DEPOSITS ASSOCIATED WITH VOLCANIC ACTIVITY. ASSOCIATED WITH HALITE, ANHYDRITE, PYRITE, CALCITE, DOLOMITE, SULFUR AND QUAR
Technique KBr WAFER