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Mineralpedia Details for Galkhaite

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Galkhaite

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
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Mindat
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Galkhaite from Getchell mine, Humboldt Co., Nevada, United States

Galkhaite
            from Getchell mine, Humboldt Co., Nevada, United States

1mm bright red cubes.

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

Click thumbnail images for larger view.

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