Brewsterite-Sr R070227

Name: Brewsterite-Sr
RRUFF ID: R070227
Ideal Chemistry: Sr(Al2Si6)O16·5H2O
Locality: Strontian, North West Highlands (Argyllshire), Scotland, UK
Source: Michael Scott S101852 [view label]
Owner: RRUFF
Description: Colorless to off-white striated prismatic crystals associated with calcite and pyrite on gneissic matrix
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Brewsterite (2) ]
Sample Description: Unoriented sample

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RRUFF ID: R070227
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070227.1
Sample Description: Powder
Cell Refinement Output: a: 6.7817(6)Å    b: 17.533(1)Å    c: 7.7567(6)Å
alpha: 90°    beta: 94.473(5)°    gamma: 90°   Volume: 919.5(2)Å3    Crystal System: monoclinic
  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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

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REFERENCES for Brewsterite-Sr

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]

Brooke H J (1822) On the comptonite of Vesuvius, the brewsterite of Scotland, the stilbite and the heulandite, Edinburgh Philosophy Journal, 6, 112-115   [view file]

Perrotta A J, Smith J V (1964) The crystal structure of brewsterite, (Sr,Ba,Ca)Al2Si6O16·5(H2O), Acta Crystallographica, 17, 857-862

Schlenker J L, Pluth J J, Smith J V (1977) Refinement of the crystal structure of brewsterite, Ba0.5Sr1.5Al4Si12O32·10(H2O), Acta Crystallographica, B33, 2907-2910

Akizuki M (1987) Crystal symmetry and order-disorder structure of brewsterite, American Mineralogist, 72, 645-648   [view file]

Coombs D S, Alberti A, Armbruster T, Artioli G, Colella C, Galli E, Grice J D, Liebau F, Mandarino J A, Minato H, Nickel E H, Passaglia E, Peacor D R, Quartieri S, Rinaldi R, Ross M, Sheppard R A, Tillmanns E, Vezzalini G, (1997) Recommended nomenclature for zeolite minerals: report of the Subcommittee on Zeolites of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 1571-1606   [view file]

Jambor J L, Grew E S, Roberts A C (1998) New mineral names, American Mineralogist, 83, 1347-1352   [view file]