Raygrantite R120151

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Name: Raygrantite
RRUFF ID: R120151
Ideal Chemistry: Pb10Zn(SO4)6(SiO4)2(OH)2
Locality: Evening Star mine, Tiger Wash, Belmont Mountain, Tonopah, Big Horn Mts, Maricopa County, Arizona, USA
Source: Ron Gibbs and Bob Jenkins [view label]
Owner: RRUFF
Description: Colorless bladed crystals associated with anglesite and galena, type sample. The crystals show fish-tail twin habit. Type sample.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Iranite (6) ]
CHEMISTRY 
RRUFF ID: R120151.2
Sample Description: Microprobe Fragment
Measured Chemistry: Pb9.81Zn0.93(S1.00O4)6(Si1.05O4)2(OH)2
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: R120151
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R120151.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.3175(4)Å    b: 11.1973(5) Å    c: 10.8318(5) Å
alpha: 120.374(2)°    beta: 90.511(2)°    gamma: 56.471(2) °   Volume: 753.13(6) Å3    Crystal System: triclinic
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REFERENCES for Raygrantite

Williams P A, Hatert F, Pasero M, Mills S J (2013) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 16. New minerals and nomenclature modifications approved in 2013, Mineralogical Magazine, 77, 2695-2709   [view file]

Yang H, Andrade M B, Downs R T, Gibbs R B, Jenkins R A (2016) Raygrantite, Pb10Zn(SO4)6(SiO4)2(OH)2, a new mineral isostructural with iranite, from the Big Horn mountains, Maricopa County, Arizona, USA, The Canadian Mineralogist, 54, 625-634   [view file]

Belakovskiy D I, Cámara F, Gagne O C, Uvarova Y (2017) New mineral names, American Mineralogist, 102, 1961-1968   [view file]