Gillespite R061031

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Record 1556 of 4034  


Name: Gillespite
RRUFF ID: R061031
Ideal Chemistry: BaFe2+Si4O10
Locality: La Madrelena mine, Tres Pozos, Municipio de Tecate, Baja California Norte, Mexico
Source: Michael Scott S101347 [view label]
Owner: RRUFF
Description: Rose-red cleavage fragment embedded in white sanbornite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Gillespite samples (2) ]
CHEMISTRY 
RRUFF ID: R061031.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ba1.00Fe2+1.00(Si3.97Ti0.03)Σ=4O10 ; = host gray phase : (Ba0.99K0.01)(Al0.97Fe3+0.02Ti0.01)Σ=2Si2.00O8 ; = lighter gray inclusion = celsian ; Ba1.00CO3 = lightest areas = witherite
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R061031
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R061031.1
Sample Description: Powder
Cell Refinement Output: a: 7.5202(5)Å    b: 7.5202(5)Å    c: 16.0863(5)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 909.7(1)Å3    Crystal System: tetragonal
  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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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Gillespite

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]

Schaller W T (1922) Gillespite, a new mineral, Journal of the Washington Academy of Sciences, 12, 7-8   [view file]

Wherry E T (1922) New minerals: new species, American Mineralogist, 7, 147-148   [view file]

Schaller W T (1929) The properties and associated minerals of gillespite, American Mineralogist, 14, 319-322   [view file]

Hazen R M, Burnham C W (1974) The crystal structures of gillespite I and II: a structure determination at high pressure, American Mineralogist, 59, 1166-1176

McKeown D A, Bell M I (1998) Linked four-membered silicate ring: Vibrational analysis of gillespite BaFeSi4O10 and implications for glass structure, Physics and Chemistry of Minerals, 25, 273-281

Knight K S, Marshall W G, Henderson C M B, Chamberlain A A (2013) Equation of state and a high-pressure structural phase transition in the gillespite-structured phase Ba0.5Sr0.5CuSi4O10, European Journal of Mineralogy, 25, 909-917