Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Sugilite RRUFF ID: R130754 Ideal Chemistry: KNa2Fe3+2(Li3Si12)O30 Locality: N'Chwaning III mine, Kalahari manganese field, 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 (18) ] | ||
Quick search: [ All Sugilite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | |||||||
---|---|---|---|---|---|---|---|
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 |
||||||
|
|
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 |
|
Park S H, Paulmann C, Hoelzel M, Hochleitner R (2023) Mechanism for the combined Li–Na ionic conductivity in sugilite (Fe2Na2K[Li3Si12O30])-type compounds, Minerals, 13, 620 [view file] |
|
|