Important Update News
The RRUFF Project has been migrated to RRUFF.net. Please update your bookmarks immediately, if you have not done so.
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Name: Kentrolite RRUFF ID: R060245 Ideal Chemistry: Pb2Mn3+2O2(Si2O7) Locality: Percha Creek area, Hillsboro District, Sierra County, New Mexico, USA Source: William W. Pinch [view label] Owner: RRUFF Description: Dark-purple colored single crystals associated with orange colored prismatic vanadinite and calcite Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
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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: | R060245.9 | |||||
| Sample Description: | Single crystal, powder profile is calculated | |||||
| Cell Refinement Output: |
a: 6.971(4)Å b: 11.037(4)Å c: 9.930(6)Å alpha: 90° beta: 90° gamma: 90° Volume: 764.0(11)Å3 Crystal System: orthorhombic |
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| REFERENCES for Kentrolite | |
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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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Damour A A, vom Rath G (1881) Ueber den Kentrolith, eine neue Mineralspecies, Zeitschrift für Krystallographie und Mineralogie, 5, 32-35 [view file] |
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Ito J, Frondel C (1966) Syntheses of the kentrolite-melanotekite series, Arkiv för Mineralogi och Geologi, 4, 387-390 |
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Glasser F P (1967) New data on kentrolite and melanotekite: Ternary phase relations in the system PbO-Fe2O3-SiO2, American Mineralogist, 52, 1085-1093 [view file] |
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Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541 |
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Moore P B, Sen Gupta P K, Shen J, Schlemper E O (1991) The kentrolite-melanotekite series, 4Pb2(Mn,Fe)3+2O2[Si2O7]: Chemical crystallographic relations, lone-pair splitting, and cation relation to 8URe2, American Mineralogist, 76, 1389-1399 [view file] |
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Dörsam G, Liebscher A, Wunder B, Franz G (2008) Crystal structures of synthetic melanotekite (Pb2Fe2Si2O9), kentrolite (Pb2Mn2Si2O9), and the aluminum analogue (Pb2Al2Si2O9), American Mineralogist, 93, 573-583 [view file] |
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