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: Poldervaartite RRUFF ID: R080080 Ideal Chemistry: Ca(Ca,Mn)(SiO3OH)(OH) Locality: Wessels mine, Hotazel, Kalahari manganese field, 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 | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Poldervaartite | |
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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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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] |
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