Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
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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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