Anorpiment R110016



Name: Anorpiment
RRUFF ID: R110016
Ideal Chemistry: As2S3
Locality: Palomo mine, Huancavelica Department, Peru
Source: Bob Jenkins
Owner: RRUFF
Description: Platy transparent olive green crystals coating botryoidal yellow orpiment. Co-type specimen.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Not in a structural group (133) ]
CHEMISTRY 
RRUFF ID: R110016.2
Sample Description: Chemistry from the Kampf et al (2012) paper.
Measured Chemistry: As1.96S3.04
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110016
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Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R110016.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.7577(2)Å    b: 8.7169(3)Å    c: 10.2682(7)Å
alpha: 78.152(7)°    beta: 75.817(7)°    gamma: 89.861(6)°   Volume: 488.38(4)Å3    Crystal System: triclinic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Anorpiment

American Mineralogist Crystal Structure Database Record: [view record]

Kampf A R, Downs R T, Housley R M, Jenkins R A, Hyršl J (2011) Anorpiment, As2S3, the triclinic dimorph of orpiment, Mineralogical Magazine, 75, 2857-2867   [view file]

Williams P A, Hatert F, Pasero M, Mills S J (2011) IMA Commission on new minerals, nomenclature and classification (CNMNC) Newsletter 10. New minerals and nomenclature modifications approved in 2011, Mineralogical Magazine, 75, 2549-2561   [view file]

Camara F, Diego Gatta G, Belakovskiy D, Smith D G W, Tait K T (2013) New mineral names, American Mineralogist, 98, 1078-1083   [view file]