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Wakabayashilite : ウィキペディア英語版 | Wakabayashilite
Wakabayashilite is a rare arsenic, antimony sulfide mineral with formula ()().〔Bonazzi, P., Lampronti, G. I., Bindi, L. and Zanardi, S. (2005) Wakabayashilite,()(): Crystal structure, pseudosymmetry, twinning and revised chemical formula. American Mineralogist, 90, 1108-1114.〕 ==Discovery and occurrence== Wakabayashilite is a rare mineral first discovered in Nevada in the 1920s, but it was mistaken for a hair orpiment.〔Gibbs, R.B. (1985) The White Caps Mine, Manhattan. ''Nevada: Mineralogical Record'', 16, 81-88.〕 In the 1970s, wakabayashilite was found in Japan and scientifically identified as a new mineral.〔http://www.mines.unr.edu/museum/minerals/wakabayashilite.htm. Accessed 18 November 2010.〕 It was named after Yaichiro Wakabayashi (1874–1943), a Japanese mineralogist of the Mitsubishi Mining Company in Japan.〔 Wakabayashilite has been discovered later in several places around the world such as in Saha Republic (Russia), Zhuang region (China) and Hautes-Alpes (France). In the United States, Wakabayashilite has be found at the White Caps Mine, Nye County, Nevada. Originally, Wakabayashilite was found in druses of quartz associated with orpiment and realgar, however, it was later found embedded in calcite as well.〔 Generally, it mostly occurs with other arsenic minerals in high-arsenic gold deposits.〔
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