Celsian R060152

Name: Celsian
RRUFF ID: R060152
Ideal Chemistry: BaAl2Si2O8
Locality: Benallt mine, Lleyn, Wales
Source: Marcus Origlieri [view label]
Owner: RRUFF
Description: Colorless to white elongated prismatic crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ feldspar (58) ]
Quick search: [ All Celsian samples (2) ]
RRUFF ID: R060152.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ba0.98K0.02   0.02)Σ=1Al2.00Si2.00O8
Microprobe Data File: [ Download Excel File ]
Sample Description: Sample is oriented and mounted onto a pin.
Pin ID: M00168
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].

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RRUFF ID: R060152
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060152.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.633(4)Å    b: 13.058(6)Å    c: 14.430(4)Å
alpha: 90°    beta: 114.96(3)°    gamma: 90°   Volume: 1474.8(2)Å3    Crystal System: monoclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Celsian

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]

Sjögren H (1895) Celsian, en anorthiten motsvarande bariumfältspat från Jakobsberg. Preliminärt meddelande, Geologiska Föreningens i Stockholm Förhandlingar, 17, 578-582   [view file]

Eskola P (1922) The silicates of Strontium and Barium, American Journal of Science, 4, 331-375   [view file]

Spencer L J (1942) Barium-feldspars (celsian and paracelsian) from Wales, Mineralogical Magazine, 26, 231-245   [view file]

Lin H C, Foster W R (1967) Abstract of paper presented at the twelfth annual meeting: The polymorphism of celsian (BaAl2Si2O8), The Canadian Mineralogist, 9, 295-295   [view file]

Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541

Griffen D T, Ribbe P H (1976) Refinement of the crystal structure of celsian, American Mineralogist, 61, 414-418   [view file]

Scanu T, Guglielmi J, Colomban P (1994) Ion exchange and hot corrosion of ceramic composites matrices - A vibrational and microstructural study, Solid State Ionics, 70, 109-120   [link]

Moro M C, Cembranos M L, Fernandez A (2001) Celsian, (Ba,K)-feldspar and cymrite from sedex barite deposits of Zamora, Spain, The Canadian Mineralogist, 39, 1039-1051   [view file]

Kremenovic A, Colomban P, Piriou B, Massiot D, Florian P (2003) Structural and spectroscopic characterization of the quenched hexacelsian, Journal of Physics and Chemistry of Solids, 64, 2253-2268   [link]

Essene E J, Claflin C L, Giorgetti G, Mata P M, Peacor D R, Árakai P, Rathmell M A (2005) Two-, three- and four-feldspar assemblages with hyalophane and celsian: implications for phase equilibria in BaAl2Si2O8–CaAl2Si2O8–NaAlSi3O8–KAlSi3O8, European Journal of Mineralogy, 17, 515-535