Scawtite R060340

Name: Scawtite
RRUFF ID: R060340
Ideal Chemistry: Ca7(Si3O9)2(CO3)·2H2O
Locality: Crestmore Quarry, near Riverside, Riverside County, California, USA
Source: Michael Scott S100203 [view label]
Owner: RRUFF
Description: Aggregates of tabular colorless crystals, associated with grossular, calcite, and monticellite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Sample Description: Unoriented sample

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RRUFF ID: R060340
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060340.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.104(2)Å    b: 15.184(2)Å    c: 6.623(1)Å
alpha: 90°    beta: 100.584(9)°    gamma: 90°   Volume: 998.7(2)Å3    Crystal System: monoclinic
  File Type Information Close
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 Scawtite

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]

Tilley C E, Hey M H (1930) Scawtite, a new mineral from Scawt Hill, Co. Antrim, Mineralogical Magazine, 22, 222-224   [view file]

Foshag W F (1935) New mineral names, American Mineralogist, 20, 403-404   [view file]

McConnell J D C (1955) A chemical, optical and x-ray study of scawtite from ballycraigy, Larne, N. Ireland, American Mineralogist, 40, 510-514   [view file]

Murdoch J (1955) Scawtite from Crestmore, California, American Mineralogist, 40, 505-509   [view file]

Pluth J J, Smith J V (1973) The crystal structure of scawtite, Ca7(Si6O18)(CO3).2H2O, Acta Crystallographica, B29, 73-80

Zhang L, Fu P, Yang H, Yu K, Zhou Z (1992) Crystal structure of scawtite, Chinese Science Bulletin, 37, 930-934   [view file]

Jambor J L, Grew E S (1994) New mineral names, American Mineralogist, 79, 387-391   [view file]

Grice J D (2005) The structure of spurrite, tilleyite and scawtite, and relationships to other silicate-carbonate minerals, The Canadian Mineralogist, 43, 1489-1500   [view file]