Diopside R090046



Name: Diopside
RRUFF ID: R090046
Ideal Chemistry: CaMgSi2O6
Locality: Merelani, Tanzania
Source: Wendell Wilson
Owner: RRUFF
Description: Green crystals associated with graphite, R090047
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ pyroxene (79) ]
Quick search: [ All Diopside samples (19) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample. Raman spectra are overwhlemed with fluorescences under laser 780 nm.
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Raman Mode Analysis
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090046
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Sample Description: Unoriented Sample. Raman spectra are overwhlemed with fluorescences under laser 780 nm.
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R090046.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.774(3)Å    b: 8.937(3)Å    c: 5.266(2)Å
alpha: 90°    beta: 105.79(2)°    gamma: 90°   Volume: 442.6(2)Å3    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Diopside

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]

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d’Andrada J B (1801) Description of some new fossils (Old English translation), A Journal of Natural Philosophy, Chemistry, and the Arts, 5, 193-196; 211-213   [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]

Washington H S, Merwin H E (1927) The acmitic pyroxenes, The American Mineralogist, 12, 233-252

Bannister F A (1932) Proceedings of societies: Mineralogical Society of Great Britian and Ireland, American Mineralogist, 17, 455-455   [view file]

Aleksandrov K S, Ryzhova T V, Belikov B P (1964) The elastic properties of pyroxenes, Soviet Physics - Crystallography, 8, 589-591   [view file]

Grubb P L C (1965) An unusual occurrence of diopside and uvarovite near Thetford, Quebec, The Canadian Mineralogist, 8, 241-248   [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]

Nolan J (1969) Physical properties of synthetic and natural pyroxenes in the system diopside-hedenbergite-acmite, Mineralogical Magazine, 37, 216-229   [view file]

Rutstein M S, Yund R A (1969) Unit-cell parameters of synthetic diopside-hedenbergite solid solutions, American Mineralogist, 54, 238-245   [view file]

Sood M K, Platt R G, Edgar A D (1970) Phase relations in portions of the system diopside-nepheline-kalsilite-silica and their importance in the genesis of alkaline rocks, The Canadian Mineralogist, 10, 380-394   [view file]

Cameron M, Sueno S, Prewitt C T, Papike J J (1973) High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, spodumene, and ureyite, American Mineralogist, 58, 594-618   [view file]

Turnock A C, Lindsley D H, Grover J E (1973) Synthesis and unit cell parameters of Ca-Mg-Fe pyroxenes, American Mineralogist, 58, 50-59   [view file]

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

LeAnderson P J (1981) Calculation of temperature and X(CO2) values for tremolite—K–feldspar—diopside—epidote assemblages, The Canadian Mineralogist, 19, 619-630   [view file]

Levien L, Prewitt C T (1981) High-pressure structural study of diopside, American Mineralogist, 66, 315-323   [view file]

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

Wang X, Greenwood H J (1988) An experimental study of the equilibrium: grossular + clinochlore = 3 diopside + 2 spinel + 4 H2O, The Canadian Mineralogist, 26, 269-281   [view file]

Cheng W, Greenwood H J (1989) The stability of the assemblage zoisite + diopside, The Canadian Mineralogist, 27, 657-662   [view file]

Dickinson J E, Scarfe C M (1990) Raman spectroscopic study of glasses on the join diopside-albite, Geochimica et Cosmochimica Acta, 54, 1037-1043   [link]

Raudsepp M, Hawthorne F C, Turnock A C (1990) Evaluation of the Rietveld method for the characterization of fine-grained products of mineral synthesis: the diopside-hedenbergite join, The Canadian Mineralogist, 28, 93-109   [view file]

Raudsepp M, Hawthorne F C, Turnock A C, (1990) Crystal chemistry of synthetic pyroxenes on the join CaNiSi2O6-CaMgSi2O6 (diopside): A Rietveld structure refinement study, American Mineralogist, 75, 1274-1281   [view file]

Lüttge A, Metz P (1991) Mechanism and kinetics of the reaction 1 dolomite + 2 quartz = 1 diopside + 2 CO2 investigated by powder experiments, The Canadian Mineralogist, 29, 803-821   [view file]

Swamy V, Dubrovinsky L, Matsui M (1997) High-temperature Raman spectroscopy and quasi-harmonic lattice dynamic simulation of diopside, Physics and Chemistry of Minerals, 24, 440-446   [link]

Richet P, Mysen B, Ingrin J (1998) High-temperature X-ray diffraction and Raman spectroscopy of diopside and pseudowollastonite, Physics and Chemistry of Minerals, 25, 401-414   [link]

Herd C D K, Peterson R C, Rossman G R (2000) Violet-colored diopside from southern Baffin Island, Nunavut, Canada, The Canadian Mineralogist, 38, 1193-1199   [view file]

Huang E, Chen C H, Huang T, Lin E H, Xu J (2000) Raman spectroscopic characteristics of Mg-Fe-Ca pyroxenes, American Mineralogist, 85, 473-479   [view file]

Prencipe M, Tribaudino M, Pavese A, Hoser A, Reehuis M (2000) A single-crystal neutron-diffraction investigation of diopside at 10 K, The Canadian Mineralogist, 38, 183-189   [view file]

Wang A, Jolliff B L, Haskin L A, Kuebler K E, Viskupic K M (2001) Characterization and comparison of structural and compositional features of planetary quadrilateral pyroxenes by Raman spectroscopy, American Mineralogist, 86, 790-806   [view file]

Weng Y H, Presnall D C (2001) The system diopside - forsterite - enstatite at 5.1 GPa: a ternary model for melting of the mantle, The Canadian Mineralogist, 39, 299-308   [view file]

Chopelas A, Serghiou G (2002) Spectroscopic evidence for pressure-induced phase transitions in diopside, Physics and Chemistry of Minerals, 29, 403-408   [link]

Nimis P (2002) The pressures and temperatures of formation of diamond based on thermobarometry of chromian diopside inclusions, The Canadian Mineralogist, 40, 871-884   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of flourides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970

Akaogi M, Yano M, Tejima Y, Iijima M, Kojitani H (2004) High-pressure transition of diopside and wollastonite: phase equilibria and thermochemistry of CaMgSi2O6, CaSiO3 and CaSi2O5--CaTiSiO5 system, Physics of The Earth and Planetary Interiors, 143, 145-156

Thompson R M, Downs R T (2008) The crystal structure of diopside at pressure to 10 GPa, American Mineralogist, 93, 177-186   [view file]

Boffa Ballaran T, Nestola F, Tribaudino M, Ohashi H (2009) Bulk modulus variations along the diopside-kosmochlor solid solution, European Journal of Mineralogy, 21, 591-597

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]

Plonka A M, Dera P, Irmen P, Rivers M L, Ehm L, Parise J B (2012) β-diopside, a new ultrahigh-pressure polymorph of CaMgSi2O6 with six-coordinated silicon, Geophysical Research Letters, 39, L24307, 1-4

Tribaudino M, Mantovani L, Bersani D, Lottici P P (2012) Raman spectroscopy of (Ca,Mg)MgSi2O6 clinopyroxenes, American Mineralogist, 97, 1339-1347   [view file]

Mantovani L, Tribaudino M, Mezzadri F, Calestani G, Bromiley G (2013) The structure of (Ca,Co)CoSi2O6 pyroxenes and the Ca-M2+ substitution in (Ca,M2+)M2+Si2O6 pyroxenes (M2+ = Co, Fe, Mg), American Mineralogist, 98, 1241-1252

Mantovani L, Tribaudino M, Bertoni G, Salvianti G, Bromiley G (2014) Solid solutions and phase transitions in (Ca,M2+)M2+Si2O6 pyroxenes (M2+ = Co, Fe, Mg), American Mineralogist, 99, 704-711

Yang Y, Xia Q, Zhang P (2015) Evolution of OH groups in diopside and feldspars with temperature, European Journal of Mineralogy, 27, 185-192

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

Thompson R M, Yang H, Downs R T (2016) Ideal wollastonite and the structural relationship between the pyroxenoids and pyroxenes, American Mineralogist, 101, 2544-2553