Metamunirite R060624



Name: Metamunirite
RRUFF ID: R060624
Ideal Chemistry: NaV5+O3
Locality: Big Gypsum Valley, San Miguel County, Colorado, USA
Source: Michael Scott S100795 [view label]
Owner: RRUFF
Description: Tan colored divergent radial spray of bladed crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R060624.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.98Ca0.02)Σ=1(V5+0.99Al0.01)Σ=1O3
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060624
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060624.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 14.2(1)Å    b: 3.67(2)Å    c: 5.54(4)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 288(3)Å3    Crystal System: orthorhombic
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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 Metamunirite

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]

Kato K, Takayama E (1984) Das entwässerungsverhalten des natriummetavanadatdihydrats und die kristallstruktur des β-natriummetavanadats, Acta Crystallographica, B40, 102-105

Evans H T (1991) Metamunirite, a new anhydrous sodium metavanadate from San Miguel County, Colorado, Mineralogical Magazine, 55, 509-513   [view file]

Jambor J L, Puziewicz J (1992) New mineral names, American Mineralogist, 77, 1116-1121   [view file]