Tantalite-(Fe) R070548

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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 
RRUFF ID: R070548.2
Sample Description: Microprobe Fragment
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070548
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
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
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Tantalite-(Fe)

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]

Thomson T (1836) On the minerals containing columbium, Records of General Science, 4, 407-419   [view file]

Quensel P, Berggren T (1938) Minerals of the Varuträsk pegmatite. XI. The niobate-tantalate group, Geologiska Föreningens i Stockholm Förhandlingar, 60, 216-221

Ercit T S, Wise M A, Černý P (1995) Compositional and structural systematics of the columbite group, American Mineralogist, 80, 613-619   [view file]

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]

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

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