Section: 6 | Minerals and pigments (MP) | Page: 267 |
IRUG filename: IMP00267 | Data type: Infrared | IRUG material class: Minerals and pigments (MP) |
Sample type: Reference material | Common name(s): Alstonite, bromlite | Chemical/botanical name(s): Barium calcium carbonate, aragonite group, carbonate class |
CAS name: Alstonite (BaCa(CO3)2) | Sample source 1: Geological Department, University of Delaware | Source location 1: Wilmington, DE, US |
Sample identifier 1: D-24 | Sample source 2: Philadelphia Museum of Art, Scientific Laboratory | Source location 2: Box 7646, Philadelphia, PA, 19101, US |
Sample identifier 2: D-24 | Color: White | Application: MFTIR (Fourier transform infrared microspectroscopy) |
Mode: Tran | Originating institution name: Philadelphia Museum of Art | Originating institution acronym: PMA |
Molecular formula: C2 Ba Ca O6 | Linear formula: BaCa(CO3)2 (ideal) | CAS registry no: 24189-28-4 |
Other analytical methods: XRF, trimorphous with barytocalcite and paralstoni |