Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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Name: Pyrochroite RRUFF ID: R100045 Ideal Chemistry: Mn2+(OH)2 Locality: N'Chwaning II mine, Kalahari Manganese Field, Northern Cape Province, South Africa Source: Marcus Origlieri [view label] Owner: RRUFF Description: Red platy crystals frozen in matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Brucite (5) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100045.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 3.308(3)Å b: 3.308(3)Å c: 4.727(5)Å alpha: 90° beta: 90° gamma: 120° Volume: 44.80(4)Å3 Crystal System: hexagonal |
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REFERENCES for Pyrochroite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Igelström L J (1864) Pyrochroït, ein neues Mineral, Annalen der Physik und Chemie, 122, 181-182 [view file] |
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Bricker O (1965) Some stability relations in the system Mn-O2-H2O at 25° and one atmosphere total pressure, American Mineralogist, 50, 1296-1354 [view file] |
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Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541 |
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