Gageite R070471

Name: Gageite
RRUFF ID: R070471
Ideal Chemistry: Mn2+21Si8O27(OH)20
Locality: Wessels mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa
Source: Michael Scott S101448 [view label]
Owner: RRUFF
Description: Matted aggregates of tan colored fibers associated with calcite
Status: The identification of this mineral is not yet confirmed.
Sample Description: Unoriented sample

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RRUFF ID: R070471
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
REFERENCES for Gageite

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]

Phillips A H (1910) Gageite, a new mineral from Franklin, New Jersey, American Journal of Science, 180, 283-284   [view file]

Spencer L J (1913) A (sixth) list of new mineral names, Mineralogical Magazine, 16, 352-378   [view file]

Moore P B (1969) A novel octahedral framework structure: gageite, American Mineralogist, 54, 1005-1017   [view file]

Dunn P J (1979) The chemical composition of gageite: an empirical formula, American Mineralogist, 64, 1056-1058   [view file]

Ferraris G, Mellini M, Merlino S (1987) Electron-diffraction and electron-microscopy study of balangeroite and gageite: Crystal structures, polytypism, and fiber texture, American Mineralogist, 72, 382-391   [view file]

Nickel E H (1993) Standardization of polytype suffixes, Mineralogical Magazine, 57, 756-756   [view file]