Omphacite R110038

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Record 72 of 81  

Name: Omphacite
RRUFF ID: R110038
Ideal Chemistry: (Ca,Na)(Mg,Fe,Al)Si2O6
Locality: Kefalos Hill, Skotini Bay, Galissas, Syros Island, Aegean Sea, Greece
Source: William W Pinch [view label]
Owner: RRUFF
Description: Pale green granular crystals associated with fluor-dravite R110031
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ pyroxene (81) ]
Quick search: [ All Omphacite samples (2) ]
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R110038
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R110038.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.617(2)Å    b: 8.802(3)Å    c: 5.269(1)Å
alpha: 90°    beta: 106.89(2)°    gamma: 90°   Volume: 426.8(1)Å3    Crystal System: monoclinic
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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 Omphacite

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]

Hoffmann C A S, Breithaupt A (1815) Omphazit, Handbuch der Mineralogie, 2, 302-302   [view file]

Dana E S (1904) Monoclinic Section. Pyroxene, in The System of Mineralogy of James Dwight Data 1837-1868, Sixth Edition John Wiley & Sons New York 352-371   [view file]

Clark J R, Appleman D E, Papike J J (1969) Crystal-chemical characterization of clinopyroxenes based on eight new structure refinements, Mineralogical Society of America Special Paper, 2, 31-50   [view file]

Curtis L, Gittins J, Kocman V, Rucklidge J C (1975) Two crystal structure refinements of A p2/n titanian ferro-omphacite, The Canadian Mineralogist, 13, 62-67   [view file]

Cameron M, Papike J J (1981) Structural and chemical variations in pyroxenes, American Mineralogist, 66, 1-50   [view file]

Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550   [view file]

Pavese A, Bocchio R, Ivaldi G (2000) In situ high temperature single crystal X-ray diffraction study of a natural omphacite, Mineralogical Magazine, 64, 983-993   [view file]

Buzatu A, Buzgar N (2010) The Raman study of single-chain silicates, Analele Stiintifice Ale Universitatii, Al. I. Cuza Iasi Geologie, 56, 107-125   [view file]

Pandolfo F, Nestola F, Cámara F, Domeneghetti M C (2012) High-pressure behavior of space group P2/n omphacite, American Mineralogist, 97, 407-414   [view file]

Schultze D J, Flemming R L, Shepherd P H M, Helmstaedt H (2014) Mantle-derived guyanaite in a Cr-omphacite xenolith from Moses Rock diatreme, Utah, American Mineralogist, 99, 1277-1283

Nespolo M, Aroyo M I (2016) The modular structure of pyroxenes, European Journal of Mineralogy, 28, 189-203

Hao M, Pierotti C E, Tkachev S, Prakapenka V, Zhang J S (2019) The single-crystal elastic properties of the jadeite-diopside solid solution and their implications for the composition-dependent seismic properties of eclogite, American Mineralogist, 104, 1016-1021