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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) ] | ||
| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| 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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| REFERENCES for Omphacite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Hoffmann C A S, Breithaupt A (1815) Omphazit, Handbuch der Mineralogie, 2, 302-302 [view file] |
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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] |
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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] |
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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] |
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Cameron M, Papike J J (1981) Structural and chemical variations in pyroxenes, American Mineralogist, 66, 1-50 [view file] |
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Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550 [view file] |
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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] |
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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] |
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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] |
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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 |
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Nespolo M, Aroyo M I (2016) The modular structure of pyroxenes, European Journal of Mineralogy, 28, 189-203 |
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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 |
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