Stanevansite R220011
Name: Stanevansite
RRUFF ID: R220011
Ideal Chemistry: Mg(C2H3O3)2·2H2O
Locality: Western end of Pusch Ridge in the Santa Catalina Mountains, north of Tucson, Pima County, Arizona, USA
Source: Warren Lazar
Owner: RRUFF (UAMM 22721)
Description: Colorless bladed crystals, associated with lazaraskeite
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Glycolate (6) ]
CHEMISTRY 
RRUFF ID: R220011.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mg0.93Zn0.05)Σ0.98(C2H3O3)2˖2H2O ; calculated based on 8 O apfu.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R220011
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R220011.9
Sample Description: Powder X-ray on a Rigaku Xtalab Synergy single crystal diffractometer (CuKα radiation) in Gandolfi powder mode at 50kV and 1mA
Cell Refinement Output: a: 11.4636(4)Å    b: 5.8511(2)Å    c: 12.4526(4)Å
alpha: 90°    beta: 91.194(3)°    gamma: 90°   Volume: 835.07(4)Å3    Crystal System: monoclinic
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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RRUFF File
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REFERENCES for Stanevansite

Miyawaki R, Hatert F, Pasero M, Mills S J (2022) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) - Newsletter 70, European Journal of Mineralogy, 34, 591-601   [view file]

Yang H, Gu X, Lazar W, Gibbs R B, Downs R T (2024) Stanevansite, Mg(C2H3O3)2·2H2O, a new hydrous glycolate mineral, from the Santa Catalina Mountains, Tucson Arizona, USA, The Canadian Journal of Mineralogy and Petrology, 62, 153-164   [view file]