Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
The data on this website is already three years out of date, and the entire website will be taken offline before the end of the year.
We are grateful to NASA for the funding of this effort.
|
|
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 (50) ] | ||
| Quick search: [ All Norrishite samples (2) ] | ||
| RAMAN SPECTRUM | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
| 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 |
||||||
|
|
||||||
| 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, DYakonov 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] |
|
|
|