Interactive IRUG Spectrum

Details

IRUG filename:
IMP00395
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Pokrovskite
Chemical/botanical name(s):
(hydrated)? carbonate with hydroxyl or halogen (class), rosasite (mineral group)
CAS name:
Pokrovskite (Mg2(CO3)​(OH)​2.1​/2H2O)
Sample source 1:
KCA Quarry
Source location 1:
San Benito County, California, US
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1988,74
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Pink, pale
Other:
Isostructural w/ malachite, spectrum similar to rosasite and malachite groups, compare with artinite, presence of H2O not confirmed by spectrum which matches that given in the original description in Ivanov
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993., Fitzpatrick, J. J. "Pokrovsite: Its Possible Relationship to Mcguinnessite and the Problem of Excess Water." Ed. C. T. Prewitt. Abstracts and Programme of the Fourteenth General Meeting of the International Mineralogical Association (1986): 101., Ivanov, O. K., Yu. A. Malinovskii, and Yu. V. Mozherin. "Pokrovskite, Mg2(CO3)(OH)2*0.5H20, a New Mineral from the Zlatogorskaya Layered Intrusive, Kazakhstan." Zapiski Vsesoyunznyi Mineralogicheskoe Obshchestva 113 (1984): 90-95., White, J. S. "Pokrovskite, a Common Mineral." The Mineralogical Record 18 (1987): 135-36.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Linear formula:
Mg2(CO3)(OH)2*0.5H2O
CAS registry no:
89885-19-8
Other analytical methods:
EDS (Mg only), SEM, XRD (6610F or near NHM std=pokrovskite)