Guite R180022

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Record 1703 of 4084  

Name: Guite
RRUFF ID: R180022
Ideal Chemistry: Co2+Co3+2O4
Locality: Sicomines copper-cobalt mine, near Kolwezi City, Democratic Republic of Congo
Source: Xiangping Gu
Owner: RRUFF
Description: Dark grey, granular aggregates 100 to 500 μm in size, in which single crystals of guite are estimated to be several to tens of microns. Associated with hetrogenite and quartz. Part of co-type sample.
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Spinel (62) ]
CHEMISTRY 
RRUFF ID: R180022.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Co2+0.93Cu2+0.02Si0.02)Σ0.97(Co3+1.99Mn3+0.03)Σ2.02O4.01
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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POWDER DIFFRACTION 
RRUFF ID: R180022
Sample Description: Powder
Cell Refinement Output: a: 8.0848(1)Å    b: 8.0848(1)Å    c: 8.0848(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 528.45(2) Å3    Crystal System: cubic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Guite

Knop O, Reid K I G, Sutarno, Nakagawa Y (1968) Chalkogenides of the transition elements. VI. X-Ray, neutron, and magnetic investigation of the spinels Co3O4, NiCo2O4, Co3S4, and NiCo2S4, Canadian Journal of Chemistry, 46, 3463-3476   [view file]

Hålenius U, Hatert F, Pasero M, Mills S J (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 40. New minerals and nomenclature modifications approved in 2017, Mineralogical Magazine, 81, 1577-1581   [view file]

Bosi F, Biagioni C, Pasero M (2019) Nomenclature and classification of the spinel supergroup, European Journal of Mineralogy, 31, 183-192