Brewsterite-Ba R070120

Name: Brewsterite-Ba
RRUFF ID: R070120
Ideal Chemistry: Ba(Al2Si6)O16·5H2O
Locality: Strontian, North West Highlands (Argyllshire), Scotland, UK
Source: Michael Scott S100415 [view label]
Owner: RRUFF
Description: Colorless crystal fragment
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Brewsterite (2) ]
RRUFF ID: R070120.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented sample

  To download sample data,
  please select a specific
  orientation angle.

Direction of polarization of laser relative to fiducial mark:
X Min:    X Max:    X Sort:
RRUFF ID: R070120
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R070120.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 6.7707(7)Å    b: 17.504(2)Å    c: 7.738(1)Å
alpha: 90°    beta: 94.455(6)°    gamma: 90°   Volume: 914.3(3)Å3    Crystal System: monoclinic
  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.

X Min:    X Max:    X Sort:
REFERENCES for Brewsterite-Ba

American Mineralogist Crystal Structure Database Record: [view record]

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

Cabella R, Lucchetti G, Palenzona A, Quartieri S, Vezzalini G (1993) First occurrence of a Ba-dominant brewsterite: structural features, European Journal of Mineralogy, 5, 353-360

Jambor J L, Vanko D A (1993) New mineral names, American Mineralogist, 78, 1314-1319   [view file]

Robinson G W, Grice J D (1993) The barium analog of brewsterite from Harrisville, New York, The Canadian Mineralogist, 31, 687-690   [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]