Interactive IRUG Spectrum

IMP00197 Anorthite; Sitkin, Aleutian Is., US; SINMNH; 137041; PMA; tran

3995

3736

3476

3217

2957

2698

2439

2179

1920

1661

1401

1142

882

623

0.00

0.25

0.50

0.75

1.00

Submitter

Section: 6

Minerals and pigments (MP)

Page: 197

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Details

IRUG filename: IMP00197	Data type: Infrared	IRUG material class: Minerals and pigments (MP)
Sample type: Reference material	Common name(s): Anorthite w/ minor CH stretches	Chemical/botanical name(s): Calcium aluminum silicate, plagioclase feldspar, feldspar group, silicate class
CAS name: Anorthite ((Ca0.9-1Na0-0.1)(Si2-2.1Al1.9-2)O8)	Source location 1: Sitkin Island, Aleutian Islands, Alaska, 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: 137041	Sample source 3: Philadelphia Museum of Art, Scientific Laboratory
Source location 3: Box 7646, Philadelphia, PA, 19101, US	Application: MFTIR (Fourier transform infrared microspectroscopy)	Mode: Tran
Originating institution name: Philadelphia Museum of Art	Originating institution acronym: PMA	Linear formula: CaAl2Si2O8 (ideal)
CAS registry no: 1302-54-1	Other analytical methods: XRF