Yangite R090031

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Record 123 of 123  


Name: Yangite
RRUFF ID: R090031
Ideal Chemistry: PbMnSi3O8·H2O
Locality: Kombat, Namibia
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Colorless to pale brown bladed crystals associated with black massive melanotekite, R090032, and brown rhodochrosite. Sample is from the John Innes collection. Type sample.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (123) ]
CHEMISTRY 
RRUFF ID: R090031.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb1.00Mn1.00Si3.00O8.00┬ĚH2O
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R090031
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 80% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R090031.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.6015(9)Å    b: 7.2712(7)Å    c: 7.9833(8) Å
alpha: 105.910(4)°    beta: 118.229(4)°    gamma: 109.938(5) °   Volume: 392.69(7)Å3    Crystal System: triclinic
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REFERENCES for Yangite

Innes J, Chaplin R C (1986) Ore bodies of the Kombat mine, South West Africa/Nambia, in Mineral Deposits of Southern Africa Editors Anhaeusser C R, Maske S. Geological Society of Southern Aftrica Johannesburg 1789-1805

Merlino S, Bonaccorsi E (2008) Double wollastonite chains: topological/conformational varieties, polytypic forms, isotypic compounds, Zeitschrift für Kristallographie, 223, 85-97

Williams P A, Hatert F, Pasero M, Mills S J (2013) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 15. New minerals and nomenclature modifications approved in 2012 and 2013, Mineralogical Magazine, 77, 1-12   [view file]

Downs R T, Pinch W W, Thompson R M, Evans S H, Megaw L (2016) Yangite, PbMnSi3O8·H2O, a new mineral species with double wollastonite silicate chains from the Kombat mine, Namibia, American Mineralogist, 101, 2539-2543   [view file]

Thompson R M, Yang H, Downs R T (2016) Ideal wollastonite and the structural relationship between the pyroxenoids and pyroxenes, American Mineralogist, 101, 2544-2553