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Section: 6 Minerals and pigments (MP) Page: 413

 Copyright © 1993-2024 Infrared and Raman Users Group (IRUG)


Details

IRUG filename:
IMP00413
Data type:
Infrared
IRUG material class:
Minerals and pigments (MP)
Sample type:
Reference material
Common name(s):
Rosasite
Chemical/botanical name(s):
Anhydrous carbonate with hydroxyl or halogen (class), malachite (mineral group)
CAS name:
Rosasite ((Cu0.5-​1Zn0-​0.5)​2(CO3)​(OH)​2)
Source location 1:
Tsumeb, Namibia
Sample source 2:
British Museum
Source location 2:
Great Russell Street, London, WC1B-3DG, UK
Sample identifier 2:
BM1972,33
Sample source 3:
The Natural History Museum, National Museums of Scotland
Source location 3:
Cromwell Road, London, SW7 5BD, UK, Edinburgh, UK
Color:
Green, dark
Other:
Spectrum is very similar to those of other members of the rosasite group i.e. glaukosphaerite, kolowezite and mcguinessite, except in the 700 cm-1 region, spectrum is easily distinguished from that of the chemically related aurichalcite
Application:
Transmission FTIR spectroscopy
Mode:
Tran
Literature Reference:
Jones, G. C., and B. Jackson. Infrared Transmission Spectra of Carbonate Minerals. London: Chapman & Hall, 1993.Braithwaite, R. S., and G. Ryback. "Rosasite, Aurichalcite, and Associated Minerals from Heights of Abraham, Matlock Bath, Derbyshire, with a Note on Infra-red Spectra." Mineralogical Magazine 33 (1963): 441-49. Nickel, E. H., and L. G. Berry. "The New Mineral Nullaginite and Additional Data on the Related Minerals Rosasite and Glaukosphaerite." Canadian Mineralogist 19.2 (1981): 315-24. Schmetzer, K., and G. Tremmel. "McGuinnessit (Mg, CU)2Co3(OH)2 Aus Bou Azzer, Marokko: Ein Neuer Fundpunkt (McGuinnessite from Bou Azzer, Morocco: A New Discovery)." Neues Jahrbuch Fur Mineralogie, Monatshefte (1981): 443-51.
Originating institution name:
Natural History Museum, National Museums of Scotland
Originating institution acronym:
NHM
Linear formula:
(Cu,Zn)2(CO3)(OH)2
CAS registry no:
12199-19-8
Other analytical methods:
EDS (Cu:Zn=approx. 1.6:1 with trace Mg & Si), SEM, XRD (16163 NHM std=rosasite)