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Hughesite R130080

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Name: Hughesite
RRUFF ID: R130080
Ideal Chemistry: Na3AlV10O28·22H2O
Locality: Sunday mine, Gypsum Valley, San Miguel County, Slick Rock District, Colorado, USA
Source: John Rakovan
Owner: National Museum of Natural History of the Smithsonian Institution
Description: Orange to golden orange crystals in efflorescent crusts. Data from Rakovan et al (2011)
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Pascoite (5) ]
CHEMISTRY 
RRUFF ID: R130080.2
Sample Description: Microprobe Fragment
Measured Chemistry: Na2.99Al1.05(V10O28)·5.70H2O
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Oriented single crystal
Orientation: Laser parallel to  a   [1 0 0].     Fiducial mark perpendicular to laser is parallel to  b   [0 1 0].
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POWDER DIFFRACTION 
RRUFF ID: R130080.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.668(4)Å    b: 10.295(4)Å    c: 12.908(5)Å
alpha: 105.826(9)°    beta: 97.899(9)°    gamma: 103.385(9)°   Volume: 1053.0(8)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

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

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REFERENCES for Hughesite

American Mineralogist Crystal Structure Database Record: [view record]

Rakovan J, Schmidt G R, Gunter M E, Nash B, Marty J, Kampf A R, Wise W S (2011) Hughesite, Na3Al(V10O28)·22H2O, a new member of the pascoite family of minerals from the Sunday mine, San Miguel County, Colorado, The Canadian Mineralogist, 49, 1253-1265   [view file]

Belakovskiy D, Cámara F, Diego Gatta G (2014) New mineral names, American Mineralogist, 99, 870-875