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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. |
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Mineral Group: [ pyroxene (81) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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 |
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REFERENCES for Donpeacorite | |
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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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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] |
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Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550 [view file] |
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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 |
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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] |
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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] |
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