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.
We are grateful to NASA for the funding of this effort.
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Name: Grandidierite RRUFF ID: R050196 Ideal Chemistry: MgAl3O2(BO3)(SiO4) Locality: Madagascar Source: Marcus Origlieri Owner: RRUFF Description: Aggregate of anhedral blue-green crystals Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||||||||||||||||||
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POWDER DIFFRACTION | ||||||||
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RRUFF ID: | R050196.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 10.3331(2)Å b: 10.9861(4)Å c: 5.7630(2)Å alpha: 90.° beta: 90.° gamma: 90.° Volume: 654.22(2)Å3 Crystal System: orthorhombic |
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REFERENCES for Grandidierite | |
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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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Lacroix A (1902) Note préliminaire sur une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie, 25, 85-86 [view file] |
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Stephenson D A, Moore P B (1968) The crystal structure of grandidierite, (Mg,Fe)Al3SiBO9, Acta Crystallographica, B24, 1518-1522 |
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Niven M L, Waters D J, Moore J M (1991) The crystal structure of werdingite, (Mg,Fe)2Al12(Al,Fe)2Si4(B,Al)4O37, and its relationship to sillimanite, mullite, and grandidierite, American Mineralogist, 76, 246-256 [view file] |
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Dzikowski T J, Groat L A, Grew E S (2007) The geometric effects of vFe2+ for vMg substitution on the crystal structures of the grandidierite-ominelite series, American Mineralogist, 92, 863-872 [view file] |
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Dzikowski T J, Groat L A, Grew E S (2007) The geometric effects of vFe2+ for vMg substitution on the crystal structures of the grandidierite-ominelite series, American Mineralogist, 92, 863-872 [view file] |
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