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: Giniite RRUFF ID: R060765 Ideal Chemistry: Fe2+Fe3+4(PO4)4(OH)2·2H2O Locality: Sandamab, Namibia Source: Michael Scott S101093 [view label] Owner: RRUFF Description: Black fragment, associated with triphylite, hureaulite, yellow-greenish tavorite (R140539), and black heterosite. Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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: | R060765.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 10.3472(6)Å b: 5.1497(2)Å c: 14.2338(7)Å alpha: 90° beta: 111.175(6)° gamma: 90° Volume: 707.24(6)Å3 Crystal System: monoclinic |
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REFERENCES for Giniite | |
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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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Fleischer M, Cabri L J, Chao G Y, Pabst A (1980) New mineral names, American Mineralogist, 65, 1065-1070 [view file] |
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Keller P (1980) Giniit, Fe2+Fe3+4[(H2O)2|(OH)2|(PO4)4], ein neues Mineral aus dem Pegmatit von Sandamab bei Usakos, Namibia, Neues Jahrbuch für Mineralogie, Monatshefte, 1980, 49-56 |
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Keller P (1980) Giniit, Fe2+Fe43+[(H2O)2l(OH)2l (PO4)4]: neue kristallographische Daten, Neues Jahrbuch für Mineralogie, Monatshefte, 1980, 561-563 |
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Rouzies D, Varloud J, Millet J M M M (1994) Thermal behaviour and physico-chemical characterization of synthetic and natural iron hydroxyphosphates, Journal of Chemical Society, Faraday Transactions, 90, 3335-3339 [view file] |
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Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942 [view file] |
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Adcock C T, Hausrath E M, Rampe E B, Yang H, Downs R T (2023) The crystal structure and chemistry of natural giniite and implications for Mars, American Mineralogist, 108, 430-438 [view file] |
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