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: Schiavinatoite RRUFF ID: R090010 Ideal Chemistry: Nb(BO4) Locality: Antsongombato, south of Betafo, south of Mahaiz, Madagascar Source: William W. Pinch [view label] Owner: RRUFF Description: Dark brown vitreous dipyramidal crystal on white microcline matrix associated with pink tourmaline Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Zircon (35) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R090010.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.225(1)Å b: 6.225(1)Å c: 5.481(1)Å alpha: 90° beta: 90° gamma: 90° Volume: 212.41(3)Å3 Crystal System: tetragonal |
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REFERENCES for Schiavinatoite | |
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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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Demartin F, Diella V, Gramaccioli C M, Pezzotta F (2001) Schiavinatoite, (Nb,Ta)BO4, the Nb analogue of behierite, European Journal of Mineralogy, 13, 159-165 [view file] |
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Jambor J L, Roberts A C (2001) New mineral names, American Mineralogist, 86, 1534-1537 [view file] |
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Mandarino J A (2001) New minerals, The Canadian Mineralogist, 39, 1473-1502 [view file] |
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