Lithiotantite R100165



Name: Lithiotantite
RRUFF ID: R100165
Ideal Chemistry: LiTa3O8
Locality: Murundu mine, Jenipapo district, Itinga, Minas Gerais, Brazil
Source: Luiz Menezes
Owner: RRUFF
Description: Brown bladed crystals associated with reddish brown prismatic tantalite, and black cassiterite. Used in the Menezes et al (2012) study.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R100165
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Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R100165.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.4589(7)Å    b: 5.0577(5)Å    c: 15.269(1)Å
alpha: 90°    beta: 107.372(4)°    gamma: 90°   Volume: 549.7(1)Å3    Crystal System: monoclinic
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Calculated diffraction file.

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

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REFERENCES for Lithiotantite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Lundberg M (1971) The crystal structure of LiNb3O8, Acta Chemica Scandinavica, 25, 3337-3346

Gatehouse B M, Leverett P (1972) Lithium triniobate(V), LiNb3O8, Crystal Structure Communications, 1, 83-86

Voloshin A V, Pakhomovskii Y A, Stepanov V I, Tyusheva F N (1983) Lithiotantite Li(Ta,Nb)3O8 - a new mineral from granite pegmatites in Eastern Kazakhstan, Mineralogiceskij Zhurnal, 5, issue 1 91-95   [view file]

Dunn P J, Cabri L J, Ferraiolo J A, Grice J D, Jambor J L, Mueller W, Shigley J E, Puziewicz J, Vanko D A (1984) New mineral names, American Mineralogist, 69, 1190-1196   [view file]

Menezes L A D, Yang H, Downs R T, Chaves L S C, Persiano A C (2012) Lithiotantite, ideally LiTa3O8, Acta Crystallographica, E68, i27-i28   [view file]