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UM1970-19-S:As

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Formula:
As4S4
Colour:
yellow, yellow-orange
Lustre:
Resinous
Crystal System:
Monoclinic
Synonym:
A synonym of Bonazziite
Beta-As4S4.


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References for UM1970-19-S:AsHide

Reference List:
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Clark, A.H., Alpha-Arsenic Sulfide from Mina Alacran, Pampa Larga, Chile, American Mineralogist 55, 1338(1970)
BURNS P.C. and PERCIVAL J.B. (2001). Alacranite, As4S4: a new occurrence, new formula, and determination of the crystal structure, Canadian Mineralogist, 39, 809-818.
BONAZZI P., BINDI L., POPOVA V., PRATESI G. and MENCHETTI S. (2003). Alacranite, As8S9: structural study of the holotype and re-assignment of the original chemical formula, American Mineralogist, 88, 1796-1800
Bindi, L., Pratesi, G., Muniz-Miranda, M., Zoppi, M., Chelazzi, L., Lepore, G. O., & Menchetti, S. (2015). From ancient pigments to modern opto-electronic applications of arsenic sulfides: bonazziite, the natural analogue of β-As4S4 from Khaidarkan deposit, Kyrgyzstan. Mineralogical Magazine, 79(1), 121-131.

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