Hewettite R070428

Name: Hewettite
RRUFF ID: R070428
Ideal Chemistry: CaV5+6O16·9H2O
Locality: Gold Quarry mine (Maggie claims), Maggie Creek District, Eureka County, Nevada, USA
Source: Michael Scott S102346 [view label]
Owner: RRUFF
Description: Coating of reddish brown fibers
Status: The identification of this mineral is not yet confirmed.
Mineral Group: [ Hewettite (4) ]
Sample Description: Unoriented sample

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RRUFF ID: R070428
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
REFERENCES for Hewettite

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]

Hillebrand W F, Merwin H E, Wright F E (1914) Hewettite, metahewettite and pascoite, hydrous calcium vanadates, Proceedings of the American Philosophical Society, 53, 31-54   [view file]

Barnes W H, Qurashi M M (1952) Unit cell and space group data for certain vanadium minerals, American Mineralogist, 37, 407-422

Evans H T (1989) The crystal structure of hewettite, The Canadian Mineralogist, 27, 181-188   [view file]

Evans H T, Hughes J M (1990) Crystal chemistry of the natural vanadium bronzes, American Mineralogist, 75, 508-521   [view file]

Oka Y, Yao T, Sato S, Yamamoto N (1998) Hydrothermal synthesis and crystal structure of barium hewettite: Ba V6 O16.n(H2 O), Journal of Solid State Chemistry, 140, 219-225

Frost R L, Erickson K L, Weier M L (2004) Hydrogen bonding in selected vanadates: a Raman and infrared spectroscopy study, Spectrochimica Acta Part A, 60, 2419