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: 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 | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Holdawayite | |
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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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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] |
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Dunn P J (1991) Rare minerals of the Kombat mine, The Mineralogical Record, 22, 421-425 |
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