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Name: Ribbeite RRUFF ID: R140497 Ideal Chemistry: Mn2+5(SiO4)2(OH)2 Locality: Kombat mine, Kombat, Grootfontein District, Otjozondjupa Region, Namibia Source: Rock Currier [view label] Owner: RRUFF Description: Transparent to translucent pink fragments in a gelatin capsule Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
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Mineral Group: [ Humite (21) ] | ||
Quick search: [ All Ribbeite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||
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RRUFF ID: | R140497.9 | ||||
Sample Description: | Single crystal, powder profile is calculated | ||||
Cell Refinement Output: |
a: 10.7279(3)Å b: 15.6873(4)Å c: 14.4291(4)Å alpha: 90° beta: 90° gamma: 90° Volume: 2428.3(2)Å3 Crystal System: orthorhombic |
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REFERENCES for Ribbeite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Peacor D R, Dunn P J, Su S, Innes J (1987) Ribbeite, a polymorph of alleghanyite and member of the leucophoenicite group from the Kombat mine, Namibia, American Mineralogist, 72, 213-216 [view file] |
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Dunn P J (1991) Rare minerals of the Kombat mine, The Mineralogical Record, 22, 421-425 |
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Freed R L, Rouse R C, Peacor D R (1993) Ribbeite, a second example of edge-sharing silicate tetrahedra in the leucophoenicite group, American Mineralogist, 78, 190-194 [view file] |
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