Magnetite R140861

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Record 2023 of 4216  


Name: Magnetite
RRUFF ID: R140861
Ideal Chemistry: Fe2+Fe3+2O4
Locality: Bon Accord, Barberton District, Mpumalanga Province, South Africa
Source: Rock Currier [view label]
Owner: RRUFF
Description: Dark green isolated granular or octahedral crystals, associated with yellowish-green irregular veins of nimite, minute light-green opaque grains of willemseite, reevesite as yellowish-green massive earthy vug material and limonite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Spinel (66) ]
Quick search: [ All Magnetite samples (6) ]
CHEMISTRY 
RRUFF ID: R140861.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe2+0.82Ni0.18)Fe3+2.00O4
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: R140861
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R140861.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 8.316(3)Å    b: 8.316(3)Å    c: 8.316(3)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 575.06(6)Å3    Crystal System: cubic
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REFERENCES for Magnetite

American Mineralogist Crystal Structure Database Record: [view record]

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