Petedunnite R070207
Name: Petedunnite
RRUFF ID: R070207
Ideal Chemistry: CaZnSi2O6
Locality: Franklin, New Jersey, USA
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Dark green fine-grained massive
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ pyroxene (81) ]
CHEMISTRY 
RRUFF ID: R070207.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.94Mn0.06)Σ=1(Zn0.33Fe2+0.29Mg0.21Mn0.15Fe3+0.02)Σ=1(Si1.98Al0.02)Σ=2O6 ; = gray phase
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: R070207
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 100% of 500mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070207.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.76(1)Å    b: 8.96(1)Å    c: 5.223(6)Å
alpha: 90°    beta: 105.57(5)°    gamma: 90°   Volume: 440.2(6)Å3    Crystal System: monoclinic
  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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Petedunnite

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]

Essene E J, Peacor D R (1987) Petedunnite (CaZnSi2O6), a new zinc clinopyroxene from Franklin, New Jersey, and phase equilibria for zincian pyroxenes, American Mineralogist, 72, 157-166   [view file]

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

Heuer M, Huber A L, Bromiley G D, Fehr K T, Bente K (2002) Characterization of synthetic hedenbergite (CaFeSi2O6)–petedunnite (CaZnSi2O6) solid solution series by X-ray single crystal diffraction, Physics and Chemistry of Minerals, 32, 552-563

Redhammer G J, Roth G (2005) A comparison of the clinopyroxene compounds CaZnSi2O6 and CaZnGe2O6, Acta Crystallographica, C61, i20-i22

Nestola F, Boffa Ballaran T, Angel RJ, Zhao J, Ohashi H (2010) High-pressure behavior of Ca/Na clinopyroxenes: The effect of divalent and trivalent 3d-transition elements, American Mineralogist, 95, 832-838

Huber A L, Heuss-Aβbichler S, Fehr K T, Bromiley G D (2012) Petedunnite (CaZnSi2O6): stability and phase relations in the system CaO-ZnO-SiO2, American Mineralogist, 97, 739-749   [view file]

Gori C, Tribaudino M, Mantovani L, Delmonte D, Mezzadri F, Gilioli E, Calestani G (2015) Ca-Zn solid solutions in C2/c pyroxenes: synthesis, crystal structure, and implications for Zn geochemistry, American Mineralogist, 100, 2209-2218

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