Poldervaartite R080080



Name: Poldervaartite
RRUFF ID: R080080
Ideal Chemistry: Ca(Ca,Mn)(SiO3OH)(OH)
Locality: Wessels mine, Hotazel, Kalahari Manganese Fields, Cape Province, South Africa
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Colorless prismatic crystals
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: R080080
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R080080.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.425(1)Å    b: 9.161(1)Å    c: 10.584(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 913.8(3)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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REFERENCES for Poldervaartite

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]

Dai Y S, Harlow G E, McGhie A R (1993) Poldervaartite, Ca(Ca0.5Mn0.5)(SiO3OH)(OH), a new acid nesosilicate from the Kalahari manganese field, South Africa: Crystal structure and description, American Mineralogist, 78, 1082-1087   [view file]