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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 | 
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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] | |
| 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] | |
| Lacroix A (1902) Note préliminaire sur une nouvelle espèce minérale, Bulletin de la Société Française de Minéralogie, 25, 85-86 [view file] | |
| Stephenson D A, Moore P B (1968) The crystal structure of grandidierite, (Mg,Fe)Al3SiBO9, Acta Crystallographica, B24, 1518-1522 | |
| 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] | |
| 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] | |
| 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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