Holdawayite R090029

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Record 109 of 4216  


Name: Holdawayite
RRUFF ID: R090029
Ideal Chemistry: Mn2+6(CO3)2(OH)7(Cl,OH)
Locality: Kombat, Namibia
Source: William W. Pinch [view label] [view label]
Owner: RRUFF
Description: Compact platy crystalline. Colorless when thin, but brown when thick.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090029
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R090029.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 23.417(6)Å    b: 3.3138(6)Å    c: 16.609(3)Å
alpha: 90°    beta: 111.14(1)°    gamma: 90°   Volume: 1204.9(4)Å3    Crystal System: monoclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Holdawayite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Peacor D R, Essene E J, Rouse R C, Dunn P J, Nelen J A, Grice J D, Innes J, von Knorring O (1988) Holdawayite, a new manganese hydroxyl-carbonate from the Kombat mine, Namibia, American Mineralogist, 73, 632-636   [view file]

Dunn P J (1991) Rare minerals of the Kombat mine, The Mineralogical Record, 22, 421-425