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Name: Umangite RRUFF ID: R070019 Ideal Chemistry: Cu3Se2 Locality: Ato Bay, Beaverlodge Lake, Saskatchewan, Canada Source: Mark Mauthner 3340 [view label] Owner: RRUFF Description: Metallic dark blue to black blebs underneath green glassy material Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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: | R070019.9 | |||||||
Sample Description: | Powder, using Mo radiation | |||||||
Cell Refinement Output: |
a: 6.408(2)Å b: 6.408(2)Å c: 4.283(3)Å alpha: 90° beta: 90° gamma: 90° Volume: 175.9(1)Å3 Crystal System: tetragonal |
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REFERENCES for Umangite | |
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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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Klockmann F (1891) Mineralogische Mittheilungen aus den Sammlungen der Bergakademie zu Clausthal, Zeitschrift für Krystallographie und Mineralogie, 19, 265-275 [view file] |
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Earley J W (1950) Description and synthesis of the selenide minerals, American Mineralogist, 35, 337-364 [view file] |
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Heyding R D, Murray R M (1976) Crystal structures of Cu1.8Se, Cu3Se2, α- and γCuSe, CuSe2, and CuSe2II, Canadian Journal of Chemistry, 54, 841-848 |
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