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Name: Jahnsite-(CaMnMg) RRUFF ID: R060213 Ideal Chemistry: CaMn2+Mg2Fe3+2(PO4)4(OH)2·8H2O Locality: Tip Top mine, Custer County, South Dakota, USA Source: Marcus Origlieri [view label] Owner: RRUFF Description: Brown tabular crystals associated with black prismatic rockbridgeite, R060858 Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Jahnsite (7) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R060213.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 15.12(2)Å b: 7.208(9)Å c: 9.990(11)Å alpha: 90° beta: 110.81(5)° gamma: 90° Volume: 1018(1)Å3 Crystal System: monoclinic |
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REFERENCES for Jahnsite-(CaMnMg) | |
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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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Moore P B, Araki T (1974) Jahnsite, CaMn2+Mg2(H2O)8Fe8+2(OH)2[PO4]4: A novel stereoisomerism of ligands about octahedral corner-chains, American Mineralogist, 59, 964-973 [view file] |
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Moore P B, Ito J (1974) I. Jahnsite, segelerite, and robertsite, three new transition metal phosphate species II. Redefinition of overite, an isotype of segelerite III. Isotypy of robertsite, mitridatite, and arseniosiderite, American Mineralogist, 59, 48-59 [view file] |
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Moore P B, Ito J (1978) I. Whiteite, a new species, and a proposed nomenclature for the jahnsite-whiteite complex series. II. New data on xanthoxenite. III. Salmonsite discredited, Mineralogical Magazine, 42, 309-323 [view file] |
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