Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
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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 | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Anorpiment | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Kampf A R, Downs R T, Housley R M, Jenkins R A, Hyrl J (2011) Anorpiment, As2S3, the triclinic dimorph of orpiment, Mineralogical Magazine, 75, 2857-2867 [view file] |
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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] |
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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] |
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