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Mineralpedia Details for Wakabayashilite

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Wakabayashilite

Wakabayashilite

Named after Yaichiro Wakabayashi, a mineralogist who worked for the Mitsubishi Mining Company in Japan where Wakabayashilite finds its type locality at the Nishinomaki mine. Wakabayashilite occurs as fine, fibrous crystals in druses, or coatings of quartz and embedded in calcite. Wakabayashilite has few, but widespread, localities.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/wakabayashilite.pdf

Formula
(As,Sb)6As4S14 
Crystal System
Orthorhombic 
Crystal Habit
Fibrous 
Cleavage
Perfect, Perfect, Perfect 
Luster
Silky 
Color
golden yellow, lemon 
Streak
orange 
Class
Orthorhombic - Pyramidal 
Fracture
Flexible 
Hardness
1.5 
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Wakabayashilite from Khaidarkan, Kyrgyzstan

Wakabayashilite
            from Khaidarkan, Kyrgyzstan Orange fibrous to splinter-like crystals to over 1cm in matrix.
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Wakabayashilite from White Caps mine, Nye Co., Nevada, United States

Wakabayashilite
            from White Caps mine, Nye Co., Nevada, United States

Golden orange strands and fibers in one 5cm long bundle.

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