Fresnoite R050595

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Record 294 of 552  

Name: Fresnoite
RRUFF ID: R050595
Ideal Chemistry: Ba2TiO(Si2O7)
Locality: Junnila claim, Clear Creek area, New Idria district, San Benito County, California, USA
Source: Scott Kleine
Owner: RRUFF
Description: Pink to yellow massive fragment
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Melilite (7) ]
RRUFF ID: R050595.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ba2.00Ti1.00O(Si2.00O7)
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented Sample

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RRUFF ID: R050595
Sample Description: Unoriented Sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R050595.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.5146(9)Å    b: 8.5146(9)Å    c: 5.2041(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 377.29(5)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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REFERENCES for Fresnoite

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]

Alfors J T, Stinson M C, Matthews R A, Pabst A (1965) Seven new barium minerals from eastern Fresno County, California, American Mineralogist, 50, 314-340   [view file]

Masse R, Grenier J C, Durif A (1967) Structure cristalline de la fresnoïte, Bulletin de la Société Française de Minéralogie et de Cristallographie, 90, 20-23   [view file]

Moore P B, Louisnathan S J (1969) The crystal structure of fresnoite, Ba2(TiO)Si2O7, Zeitschrift für Kristallographie, 130, 438-448   [view file]

Haussühl S, Eckstein J, Recker K, Wallrafen F (1977) Growth and physical properties of fresnoite Ba2TiSi2O8, Journal of Crystal Growth, 40, 200-204

Chukanov N V, Kazheva O N, Fischer R X, Aksenov S M (2023) Refinement of the crystal structure of fresnoite, Ba2TiSi2O8, from Löhley (Eifel district, Germany); Gladstone-Dale compatibility, electronic polarizability and vibrational spectroscopy of minerals and inorganic compounds with pentacoordinated TiIV and a titanyl bond, Acta Crystallographica, B79, 184-194   [link]