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.
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Name: Segelerite RRUFF ID: R080127 Ideal Chemistry: CaMgFe3+(PO4)2(OH)·4H2O Locality: Tip Top mine, Custer County, South Dakota, USA Source: Thomas A. Loomis TL-41 [view label] Owner: RRUFF Description: Light yellow radiating acicular crystals, on a matrix of rockbridgeite and associated with leucophosphite (R080126) Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Overite (3) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R080127.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 14.809(3)Å b: 18.747(5)Å c: 7.306(2)Å alpha: 90° beta: 90° gamma: 90° Volume: 2028.3(6)Å3 Crystal System: orthorhombic |
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REFERENCES for Segelerite | |
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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, 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, Araki T (1977) Overite, segelerite, and jahnsite: a study in combinatorial polymorphism, American Mineralogist, 62, 692-702 [view file] |
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Grey I E, Mumme W G, Downes P J, Grguric B A, Gable R W (2019) Segelerite from the Mount Deverell variscite deposit, Western Australia. Hydrogen bonding and relationship to jahnsite, European Journal of Mineralogy, 31, 465-471 [view file] |
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