Nchwaningite R140275
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 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R140275
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 30% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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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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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Nchwaningite

American Mineralogist Crystal Structure Database Record: [view record]

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]