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Name: Burangaite RRUFF ID: R070408 Ideal Chemistry: NaFe2+Al5(PO4)4(OH)6·2H2O Locality: Buranga pegmatite, Gatumba District, Gisenyi Province, Rwanda Source: Michael Scott S100534 [view label] Owner: RRUFF Description: Blue to blue-green prismatic, co-type specimen. This is the piece used by Selway et al (1997) to determine structure. Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Dufrenite (2) ] |
CHEMISTRY | ||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R070408.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 25.043(4)Å b: 5.0405(5)Å c: 13.410(2)Å alpha: 90° beta: 110.883(8)° gamma: 90° Volume: 1581.6(7)Å3 Crystal System: monoclinic |
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REFERENCES for Burangaite | |
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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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von Knorring O, Lehtinen M, Sahama T G (1977) Burangaite, a new phosphate mineral from Rwanda, Bulletin of the Geological Society of Finland, 49, 33-36 [view file] |
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Fleischer M, Pabst A, White J S (1978) New mineral names, American Mineralogist, 63, 793-796 [view file] |
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Selway J B, Cooper M A, Hawthorne F C (1997) Refinement of the crystal structure of burangaite, The Canadian Mineralogist, 35, 1515-1522 [view file] |
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Daltry V D C, von Knorring O (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite, Geologica Belgica, 1, 9-15 [view file] |
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