Umangite R070019



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 
RRUFF ID: R070019.2
Sample Description: Microprobe Fragment
Measured Chemistry: Cu3.00Se2.00
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: R070019
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
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
  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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Umangite

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]

Klockmann F (1891) Mineralogische mittheilungen aus den sammlungen der Bergakademie zu Clausthal, Zeitschrift für Krystallographie und Mineralogie, 19, 265-275   [view file]

Earley J W (1950) Description and synthesis of the selenide minerals, American Mineralogist, 35, 337-364   [view file]

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