Donpeacorite R060646

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Record 37 of 79  

Name: Donpeacorite
RRUFF ID: R060646
Ideal Chemistry: (Mn,Mg)MgSi2O6
Locality: Balmat, Balmat-Edwards Zinc District, St. Lawrence County, New York, USA
Source: Michael Scott S100819 [view label]
Owner: RRUFF
Description: Orangish-brown fine grained massive
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ pyroxene (79) ]
CHEMISTRY 
RRUFF ID: R060646.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn2+0.58Mg0.40Ca0.03)Σ=1Mg1.00(Si1.00O3)2
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: R060646
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060646.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 18.40(2)Å    b: 8.882(7)Å    c: 5.228(4)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 854.4(4)Å3    Crystal System: orthorhombic
  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 Donpeacorite

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]

Petersen E U, Anovitz L M, Essene E J (1984) Donpeacorite, (Mn,Mg)MgSi2O6, a new orthopyroxene and its proposed phase relations in the system MnSiO3-MgSiO3-FeSiO3, American Mineralogist, 69, 472-480   [view file]

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

Gnos E, Armbruster T, Nyfeler D (1996) Kanoite, donpeacorite and tirodite: Mn-Mg-silicates from a manganiferous quartzite in the United Arab Emirates, European Journal of Mineralogy, 8, 251-261

Stimpfl M (2005) The Mn, Mg-intracrystalline exchange reaction in donpeacorite (Mn0.54Ca0.03Mg1.43Si2O6) and its relation to the fractionation behavior of Mn in Fe, Mg-orthopyroxene, American Mineralogist, 90, 155-161   [view file]

Scandolo L, Mazzucchelli M L, Alvaro M, Nestola F, Pandolfo F, Domeneghetti M C (2015) Thermal expansion behaviour of orthopyroxenes: the role of the Fe-Mn substitution, Mineralogical Magazine, 79, 71-87   [view file]