Liudongshengite R180016
Name: Liudongshengite
RRUFF ID: R180016
Ideal Chemistry: Zn4Cr2(OH)12(CO3)·3H2O
Locality: 79 mine, Gila Co., Arizona, USA
Source: Ron Gibbs
Owner: RRUFF
Description: Pinkish hexagonal thin platy crystals, associated with cerussite, malachite, rosasite, hemimorphite, mimetite, wulfenite, fornacite, and rarely linarite and kuksite. This is the type specimen.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Hydrotalcite (22) ]
CHEMISTRY 
RRUFF ID: R180016.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn3.25Mg0.17Cr2.58)(OH)12(CO3)1.29·3H2O ; The C content of 2.31(2) wt.% was obtained from an Elemental Combustion System equipped with mass spectrometry.
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: R180016
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 50% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R180016
Cell Refinement Output: a: 3.1107(10) Å    b: 3.1107(10) Å    c: 22.640(11) Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 189.73(11) Å3    Crystal System: hexagonal
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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Liudongshengite

American Mineralogist Crystal Structure Database Record: [view record]

Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 51. New minerals and nomenclature modifications approved in 2019, Mineralogical Magazine, 83, 757-761   [view file]

Yang H, Gibbs R B, Schwenk C, Xie X, Gu X, Downs R T, Evans S H (2021) Liudongshengite, Zn4Cr2(OH)12(CO3)·3H2O, a new mineral of the hydrotalcite supergroup, from the 79 mine, Gila County, Arizona, USA, The Canadian Mineralogist, 59, 763-769   [view file]