Dzhalindite

Dzhalindite is a rare indium hydroxide mineral discovered in Siberia. Its chemical formula is In(OH)₃.

Dzhalindite
Dzhalindite and indite
General
Category	Oxide mineral
Formula	In(OH)3
IMA symbol	Dz[1]
Strunz classification	4.FC.05
Crystal system	Cubic
Crystal class	Diploidal (m3) H-M symbol: (2/m 3)
Space group	Im3
Unit cell	a = 7.9743(6) Å; Z = 8
Identification
Color	Yellow-brown; light yellow in transmitted light; dark gray in reflected light
Crystal habit	Massive
Mohs scale hardness	4 - 4.5
Diaphaneity	Transparent to subopaque
Specific gravity	4.38
Optical properties	Isotropic
Refractive index	n = 1.725
References	[2][3][4]

It was first described in 1963 for an occurrence in the Dzhalinda tin deposit, Malyi Khingan Range, Khabarovskiy Kray, Far-Eastern Region, Russia.^[3][5][6]

It has also been reported from Mount Pleasant, New Brunswick, Canada; the Flambeau mine, Ladysmith, Rusk County, Wisconsin, US; in the Mangabeira tin deposit, Goiás, Brazil; Attica, mines of the Lavrion District, Greece; the Ore Mountains in Germany and the Czech Republic; the Chūbu region, Honshu Island, Japan; and the Arashan Massif of Tashkent, Uzbekistan.^[4][2]