Ferrobobfergusonite R140993

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Record 1346 of 4033  


Name: Ferrobobfergusonite
RRUFF ID: R140993
Ideal Chemistry: Na2Fe2+5Fe3+Al(PO4)6
Locality: Victory mine, Custer, Custer District, Custer County, South Dakota, USA
Source: Rock Currier [view label]
Owner: RRUFF
Description: Dark green aggregates of blocky crystals, associated with quartz and muscovite. Four different dark green minerals are found: schorl, fillowite, ferrobobfergusonite, and ferrowyllieite. Light green crystals are arrojadite. This is the type sample
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R140993.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na1.73Ca0.13)(Fe2+3.51Mn0.89Mg0.43)(Fe3+0.77Al0.23)Al(P1.01O4)6
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: R140993
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R140993.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 12.7156(3)Å    b: 12.3808(3)Å    c: 10.9347(3)Å
alpha: 90°    beta: 97.3329(10)°    gamma: 90°   Volume: 1707.37(7)Å3    Crystal System: monoclinic
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REFERENCES for Ferrobobfergusonite

Hålenius U, Hatert F, Pasero M, Mills S J (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 37. New minerals and nomenclature modifications approved in 2017, Mineralogical Magazine, 81, 737-742   [view file]