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: Nchwaningite RRUFF ID: R140275 Ideal Chemistry: Mn2SiO3(OH)2·H2O Locality: N'Chwaning mine, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa Source: Rock Currier [view label] Owner: RRUFF Description: Micro brown tufts 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: | R140275.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 12.716(2)Å b: 7.240(1)Å c: 5.3469(6)Å alpha: 90° beta: 90° gamma: 90° Volume: 492.3(2)Å3 Crystal System: orthorhombic |
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REFERENCES for Nchwaningite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Nyfeler D, Armbruster T, Dixon R, Bermanec V (1995) Nchwaningite, Mn2+2SiO3(OH)2·H2O, a new pyroxene-related chain silicate from the N'chwaning mine, Kalahari manganese field, South Africa, American Mineralogist, 80, 377-386 [view file] |
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