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.
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Name: Caysichite-(Y) RRUFF ID: R080143 Ideal Chemistry: (Ca,Yb,Er)4Y4(Si8O20)(CO3)6(OH)·7H2O Locality: Mt. Malos, Zomba District, Malawi Source: Mark Feinglos [view label] Owner: RRUFF Description: Pale tan colored blocky crystals removed from aegirine matrix Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R080143.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 13.282(5)Å b: 13.994(5)Å c: 9.720(3)Å alpha: 90° beta: 90° gamma: 90° Volume: 1806.6(5)Å3 Crystal System: orthorhombic |
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REFERENCES for Caysichite-(Y) | |
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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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Hogarth D D, Chao G Y, Plant A G, Steacy H R (1974) Caysichite, a new silico-carbonate of yttrium and calcium, The Canadian Mineralogist, 12, 293-298 [view file] |
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Fleischer M, Pabst A, Mandarino J A, Chao G Y, Cabri L J (1976) New mineral names, American Mineralogist, 61, 174-186 [view file] |
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Mellini M, Merlino S (1978) Cayschite: a double crankshaft chain structure, The Canadian Mineralogist, 16, 81-88 [view file] |
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Nickel E H, Mandarino J A (1987) Procedures involving the IMA Commission on New Minerals and Mineral Names and guidelines on mineral nomenclature, American Mineralogist, 72, 1031-1042 [view file] |
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