Hydrotungstite R120058

Name: Hydrotungstite
RRUFF ID: R120058
Ideal Chemistry: WO2(OH)2·H2O
Locality: Mundo Nuevo, La Libertad, Peru
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Greenish yellow cubes, associated with ferberite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R120058
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R120058.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.365(1)Å    b: 6.901(1)Å    c: 3.7499(6)Å
alpha: 90°    beta: 90.481(3)°    gamma: 90°   Volume: 190.58(9)Å3    Crystal System: monoclinic

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REFERENCES for Hydrotungstite

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]

Kerr P F, Young F (1944) Hydrotungstite, a new mineral from Oruro, Bolivia, American Mineralogist, 29, 192-210   [view file]

Fleischer M (1945) New mineral names, American Mineralogist, 30, 548-550   [view file]

Mitchell R S (1963) X-Ray data for hydrotungstite, American Mineralogist, 48, 935-939   [view file]

Sahama G, Lehtinen M (1971) Refinement of the x-ray data for hydrotungstite from Calacalani, Bolivia, Bulletin of the Geological Society of Finland, 43, 89-91

Sahama T G (1981) The secondary tungsten minerals, a review, The Mineralogical Record, 12, 81-87   [view file]

Daniel M F, Desbat B and Lassegues J C (1987) Infrared and Raman study of WO3 tungsten trioxides and WO3,xH2O tungsten trioxide hydrates, Journal of Solid State Chemistry, 67, 235-247

Li Y M, Hibino M, Miyayania M, Kudo T (2000) Proton conductivity of tungsten trioxide hydrates at intermediate temperature, Solid State Ionics, 134, 271-279

Amano F, Tian M, Ohtani B, Chen A (2012) Photoelectrochemical properties of tungsten trioxide thin film electrodes prepared from facet-controlled rectangular platelets, Journal of Solid State Electrochemistry, 16, 1965-1973