Interactive IRUG Spectrum

Section: 6

Minerals and pigments (MP)

Page: 228

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Details

IRUG filename: IMP00228	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Anhydrite with minor gypsum impurity (from bassinite specimen)	Chemical/botanical name(s): Anhydrous calcium sulfate with calcium sulfate dihydrate impurity
CAS name: Anhydrite (Ca(SO4))	Sample source 1: Twenty Mule Team Canyon; Death Valley National Monument	Source location 1: Death Valley, CA, US
Sample identifier 1: Inyo Co., California, US	Sample source 2: Smithsonian Institution, National Museum of Natural History, Department of Mineral Sciences (NMNH)	Source location 2: Washington, DC, 20560, US
Sample identifier 2: 124370	Sample source 3: Philadelphia Museum of Art, Scientific Laboratory	Source location 3: Box 7646, Philadelphia, PA, 19101, US
Color: Off-white, translucent	Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran
Originating institution name: Philadelphia Museum of Art	Originating institution acronym: PMA	Molecular formula: Ca O4 S
Linear formula: CaSO4	CAS registry no: 14798-04-0	Density (g/cc): 2.97 (average)
Other analytical methods: XRF