Norrishite R130089

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Record 31 of 49  


Name: Norrishite
RRUFF ID: R130089
Ideal Chemistry: KLiMn3+2Si4O10O2
Locality: Wessels mine, Kalahari Manganese Field, South Africa
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: Dark brown platy massive cleavages associated with purple sugilite and blue wesselsite.
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ mica (49) ]
Quick search: [ All Norrishite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Cleavage of an unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R130089
Wavelength:
Sample Description: Cleavage of an unoriented sample
Instrument settings: Almega 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R130089.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.292(2)Å    b: 8.901(3)Å    c: 10.066(5)Å
alpha: 90°    beta: 98.15(2)°    gamma: 90°   Volume: 469.4(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 Norrishite

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]

Eggleton R A, Ashley P M (1989) Norrishite, a new manganese mica, K(Mn3+2Li)Si4O12, from the Hoskins mine, New South Wales, Australia, American Mineralogist, 74, 1360-1367   [view file]

Tyrna P L, Guggenheim S (1991) The crystal structure of norrishite, KLiMn3+2Si4O12: an oxygen-rich mica, American Mineralogist, 76, 266-271   [view file]

Rieder M, Cavazzini G, D’Yakonov Y S, Frank-Kamenetskii V A, Gottardt G, Guggenheim S, Koval P V, Muller G, Neiva A M R, Radoslovich E W, Robert J L, Sassi F P, Takeda H, Weiss Z, Wones D R (1998) Nomenclature of the micas, The Canadian Mineralogist, 36, 905-912   [view file]

Gnos E, Armbruster T, Villa I M (2003) Norrishite, K(Mn32+Li)Si4O10(O)2, an oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar dating, American Mineralogist, 88, 189-194   [view file]