Strontioruizite R160085

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Record 4 of 5  


Name: Strontioruizite
RRUFF ID: R160085
Ideal Chemistry: Sr2Mn3+2Si4O11(OH)4·2H2O
Locality: N’Chwaning III mine, Kalahari manganese field, Northern Cape Province, South Africa
Source: Bruce Cairncross
Owner: RRUFF
Description: Clusters of brown, elongate crystals, associated with clusters of purple sugilite, bronze fibrous potassic-magnesioarfvedsonite, and dark red-brown lipuite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Ruizite (5) ]
CHEMISTRY 
RRUFF ID: R160085.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Sr1.61Ca0.42)(Mn3+1.95Fe3+0.05)Si3.98O11(OH)4·2H2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample, 780nm spectrum is overwhelmed by fluorescence
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R160085
Wavelength:
Sample Description: Unoriented sample, 780nm spectrum is overwhelmed by fluorescence
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R160085.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.149(3)Å    b: 6.287(2)Å    c: 12.044(2)Å
alpha: 90°    beta: 91.73(3)°    gamma: 90°   Volume: 692.4(3)Å3    Crystal System: monoclinic
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REFERENCES for Strontioruizite

American Mineralogist Crystal Structure Database Record: [view record]

Hålenius U, Hatert F, Pasero M, Mills S J (2017) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 39. New minerals and nomenclature modifications approved in 2017, Mineralogical Magazine, 81, 1279-1286   [view file]

Yang H, Gu X, Cairncross B, Downs R T, Evans S H (2021) Taniajacoite and strontioruizite, two new minerals isostructural with ruizite from the N'Chwaning III mine, Kalahari manganese field, South Africa, The Canadian Mineralogist, 59, 431-444   [view file]

Celestian A J (2022) New Mineral Names: Hydrous Minerals, American Mineralogist, 107, 1656-1658   [view file]