Galkhaite

Galkhaite
Galkhaite crystals to 3 mm on matrix, Getchell Mine, Nevada.
General
Category	Sulfosalt minerals
Formula	(Cs,Tl)(Hg,Cu,Zn)6(As,Sb)4S12
IMA symbol	Gkh [1]
Strunz classification	2.GB.20
Crystal system	Cubic
Crystal class	Hextetrahedral (43m) H-M symbol: (4 3m)
Space group	I43m

Galkhaite is a rare and chemically complex sulfosalt mineral from a group of natural thioarsenites. Its formula is (Cs,Tl)(Hg,Cu,Zn)₆(As,Sb)₄S₁₂, making the mineral the only known natural Cs-Hg and Cs-As phase. It occurs in Carlin-type hydrothermal deposits. ^{[2] [3] [4] [5]}

References

1. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi: 10.1180/mgm.2021.43 . S2CID   235729616.
2. "Galkhaite" (PDF). handbookofmineralogy.com. Handbook of Mineralogy (original description by Gruzdev et al. 1972). Retrieved October 3, 2020.
3. "Galkhaite". mindat.org. Hudson Institute of Mineralogy. Retrieved October 3, 2020.
4. "Galkhaite Mineral Data". webmineral.com. David Barthelmy. Retrieved October 3, 2020.
5. Arehart, G.B.; Chakurian, A.M.; Tretbar, D.R.; Christensen, J.N.; McInnes, B.A.; Donelick, R.A. (2003). "Evaluation of Radioisotope Dating of Carlin-Type Deposits in the Great Basin, Western North America, and Implications for Deposit Genesis" . Economic Geology. 98 (2): 235–248. Bibcode:2003EcGeo..98..235A. doi:10.2113/gsecongeo.98.2.235 . Retrieved October 3, 2020.