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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.
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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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DOWNLOADS:
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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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