Xonotlite R120029

Name: Xonotlite
RRUFF ID: R120029
Ideal Chemistry: Ca6Si6O17(OH)2
Locality: Kalahari manganese fields, Northern Cape Province, South Africa
Source: Donald Doell [view label]
Owner: RRUFF
Description: Colorless lathlike crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R120029
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R120029.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.714(6)Å    b: 7.358(6)Å    c: 7.010(6)Å
alpha: 90.06(4)°    beta: 90.32(5)°    gamma: 102.55(5)°   Volume: 438.7(1)Å3    Crystal System: triclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Xonotlite

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]

Rammelsberg C (1866) Ueber den Xonaltit, ein neues wasserhaltiges Kalksilikat, und den Bustamit aus Mexiko, Zeitschrift der Deutschen Geologischen Gesellschaft, 18, 33-34   [view file]

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

Brown P A (1978) Xonotlite: a new occurrence at Rose Blanche, Newfoundland, The Canadian Mineralogist, 16, 671-672   [view file]

Kudoh Y, Takéuchi Y (1979) Polytypism in xonotlite: (I) Structure of an A-1 polytype, Mineralogical Journal, 9, 349-373   [view file]

Hejny C, Armbruster T (2001) Polytypism in xonotlite Ca6Si6O17(OH)2, Zeitschrift für Kristallographie, 216, 396-408

Esteban J J, Cuevas J, Tubia J M, Yusta I (2003) Xonotlite in rodingite assemblages from the Ronda peridotites, Betic Cordilleras, southern Spain, The Canadian Mineralogist, 41, 161-170   [view file]

Merlino S, Bonaccorsi E (2008) Double wollastonite chains: topological/conformational varieties, polytypic forms, isotypic compounds, Zeitschrift für Kristallographie, 223, 85-97