Bernardevansite R210010

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Record 439 of 4130  


Name: Bernardevansite
RRUFF ID: R210010
Ideal Chemistry: Al2(Se4+O3)3·6H2O
Locality: El Dragon, Potosi, Bolivia
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Aggregates or spheres of pale grey, radiating acicular crystals, associated with chalcomenite and clinochalcomenite.
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Mandarinoite (3) ]
CHEMISTRY 
RRUFF ID: R210010.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Al1.26Fe3+0.82)Σ2.08(Se0.98O3)3·6H2O, calculated on the basis of 15 O apfu.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R210010
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R210010
Sample Description: Powder
Cell Refinement Output: a: 16.535(1)Å    b: 7.7762(5)Å    c: 9.8841(6)Å
alpha: 90°    beta: 98.337(7)°    gamma: 90°   Volume: 1257.5(5) Å3    Crystal System: monoclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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