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Caysichite-(Y) R080143

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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 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R080143
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
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REFERENCES for Caysichite-(Y)

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]

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]

Fleischer M, Pabst A, Mandarino J A, Chao G Y, Cabri L J (1976) New mineral names, American Mineralogist, 61, 174-186   [view file]

Mellini M, Merlino S (1978) Cayschite: a double crankshaft chain structure, The Canadian Mineralogist, 16, 81-88   [view file]

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]