Mcgillite R110206
Name: Mcgillite
RRUFF ID: R110206
Ideal Chemistry: Mn2+8Si6O15(OH)8Cl2
Locality: Sullivan mine, Kimberley, British Columbia, Canada
Source: Royal Ontario Museum M36127 [view label]
Owner: RRUFF
Description: Pink massive platy associated with black sphalerite and milky-white quartz. Metatype sample.
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Groups: [ Pyrosmalite (9) ] [ Clay (86) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110206
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110206.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 23.341(7)Å    b: 13.476(4)Å    c: 7.405(2)Å
alpha: 90°    beta: 105.24(2)°    gamma: 90°   Volume: 2247.3(3)Å3    Crystal System: monoclinic
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REFERENCES for Mcgillite

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]

Donnay G, Bétournay M, Hamill G (1980) McGillite, a new manganous hydroxychlorosilicate, The Canadian Mineralogist, 18, 31-36   [view file]

Fleischer M, Cabri L J (1981) New mineral names, American Mineralogist, 66, 1274-1280   [view file]

Ozawa T, Takéuchi Y, Takahata T, Donnay G, Donnay J D H (1983) The pyrosmalite group of minerals. II. The layer structure of mcgillite and friedelite, The Canadian Mineralogist, 21, 7-17   [view file]

Takéuchi Y, Ozawa T, Takahata T (1983) The pyrosmalite group of minerals III. Derivation of polytypes, The Canadian Mineralogist, 21, 19-27   [view file]

Stevenson J S, Stevenson L S, Donnay J D H (1984) A postscript to the mcgillite story, The Canadian Mineralogist, 22, 265-268   [view file]