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Name: Tantalite-(Fe) RRUFF ID: R070548 Ideal Chemistry: Fe2+Ta2O6 Locality: Grizzly Bear Gulch, Black Hills, Custer County, South Dakota, USA Source: James Shigley [view label] Owner: RRUFF Description: Submetallic dark grey fragments with parallel cleavage planes Status: The identification of this mineral has been made only by X-ray diffraction. |
Mineral Group: [ Columbite (32) ] |
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: | R070548.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 14.3502(7)Å b: 5.7519(2)Å c: 5.0997(3)Å alpha: 90° beta: 90° gamma: 90° Volume: 420.93(2)Å3 Crystal System: orthorhombic |
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REFERENCES for Tantalite-(Fe) | |
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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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Thomson T (1836) On the minerals containing columbium, Records of General Science, 4, 407-419 [view file] |
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Quensel P, Berggren T (1938) Minerals of the Varuträsk pegmatite. XI. The niobate-tantalate group, Geologiska Föreningens i Stockholm Förhandlingar, 60, 216-221 |
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Ercit T S, Wise M A, Černý P (1995) Compositional and structural systematics of the columbite group, American Mineralogist, 80, 613-619 [view file] |
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Burke E A J (2008) Tidying up mineral names: an IMA-CNMNC scheme for suffixes, hyphens and diacritical marks, The Mineralogical Record, 39, 131-135 [view file] |
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Fuchsloch W C, Nex P A M, Kinnaird J A (2019) The geochemical evolution of Nb-Ta-Sn oxides from pegmatites of the Cape Cross-Uis pegmatite belt, Namibia, Mineralogical Magazine, 83, 161-179 |
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Chukanov N, Pasero M, Aksenov S M, Britvin S N, Zubkova N V, Yike L, Witzke T (2023) Columbite supergroup of minerals: nomenclature and classification, Mineralogical Magazine, 87, 18-33 |
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