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Name: Bermanite RRUFF ID: R130057 Ideal Chemistry: Mn2+Mn3+2(PO4)2(OH)2·4H2O Locality: Tip Top mine, Custer, South Dakota, USA Source: Thomas A. Loomis TL-13 [view label] Owner: RRUFF Description: Dark red plates Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Arthurite (7) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R130057.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.4375(8)Å b: 19.150(4)Å c: 5.396(1)Å alpha: 90° beta: 110.261(9)° gamma: 90° Volume: 527.1(2)Å3 Crystal System: monoclinic |
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REFERENCES for Bermanite | |
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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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Hurlbut C S (1936) A new phosphate, bermanite, occurring with triplite in Arizona, American Mineralogist, 21, 656-661 [view file] |
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Hurlbut C S, Aristarain L F (1968) Bernamite and its occurrence in Córdoba, Argentina, American Mineralogist, 53, 416-431 [view file] |
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Kampf A R, Moore P B (1976) The crystal structure of bermanite, a hydrated manganese phosphate, American Mineralogist, 61, 1241-1248 [view file] |
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Cooper M A, Hawthorne F C, Černý P (2009) The crystal structure of ercitite, Na2(H2O)4[Mn3+2(OH)2(PO4)2], and its relation to bermanite, Mn2+(H2O)4[Mn3+2(OH)2(PO4)2], The Canadian Mineralogist, 47, 173-180 [view file] |
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