Sugilite R130754

Name: Sugilite
RRUFF ID: R130754
Ideal Chemistry: KNa2Fe3+2(Li3Si12)O30
Locality: N'Chwaning III mine, Kalahari Manganese Fields, Northern Cape Province, South Africa
Source: Jaco and Tania Janse van Nieuwenhuizen [view label]
Owner: RRUFF
Description: Fibrous spheres and layer of purple color, associated with dark-red lipuite (R140946).
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Milarite (17) ]
Quick search: [ All Sugilite samples (2) ]
Sample Description: Unoriented sample

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RRUFF ID: R130754
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 1% of 150mW
RRUFF ID: R130754.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.027(1)Å    b: 10.027(1)Å    c: 14.027(3)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1221.4(1)Å3    Crystal System: hexagonal
  File Type Information Close
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 Sugilite

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]

Murakami N, Kato T, Miúra Y, Hirowatari F (1976) Sugilite, a new silicate mineral from Iwagi Islet, Southwest Japan, Mineralogical Journal, 8, 110-121   [view file]

Fleischer M, Cabri L J, Nickel E H, Pabst A (1977) New mineral names, American Mineralogist, 62, 593-600   [view file]

Dunn P J, Brummer J J, Belsky H (1980) Sugilite, a second occurrence: Wessels mine, Kalahari manganese field, Republic of South Africa, The Canadian Mineralogist, 18, 37-39   [view file]

Armbruster T, Oberänsli R (1988) Crystal chemistry of double-ring silicates: Structures of sugilite and brannockite, American Mineralogist, 73, 595-600   [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]

Geiger C A (2009) A 57Fe Mössbauer spectroscopic study of sugilite, KNa2(Fe3+,Mn3+,Al)2Li3Si12O30, The Canadian Mineralogist, 47, 927-931   [view file]

Gagné O C, Hawthorne F C (2016) Chemographic exploration of the milarite-type structure, The Canadian Mineralogist, 54, 1229-1247