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Galkhaite

Named for the Gal-Khaya arsenic-mercury-tin deposit in the eastern-Siberian region of Russia where the mineral’s type locality is located. Galkhaite is a rare mineral that is additionally found in the United States, Canada, and newer localities in Iran, Italy, and Kyrgyzstan. Galkhaite occurs in hydrothermal mercury-gold deposits.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/galkhaite.pdf
- Formula
- (Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
- Crystal System
- Isometric
- Crystal Habit
- Aggregates
- Luster
- Vitreous - Adamantine
- Color
- orange red, reddish, black
- Streak
- orange
- Class
- Isometric - Hextetrahedral
- Fracture
- Conchoidal - Uneven
- Hardness
- 3
- WebMineral
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- Mindat
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Galkhaite from Getchell mine, Humboldt Co., Nevada, United States

1mm bright red cubes.
Darker cherry red modified cubic crystals, the largest to 1.5mm.