Dzhalindite

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Dzhalindite
General
Category Oxide mineral
Formula
(repeating unit)
In(OH)3
Strunz classification 04.FC.05
Crystal symmetry Isometric diploidal
H-M symbol: (2/m3)
Space group: I m3
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
Crystal system Cubic
Mohs scale hardness 4 - 4.5
Diaphaneity Transparent to subopaque
Specific gravity 4.38
Optical properties Isotropic
Refractive index n = 1.725
References [1][2][3]

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

It was first described in 1963 for an occurrence in the Dzhalinda tin deposit, Malyi Khingan Range, Khabarovskiy Kray, Far-Eastern Region, Russia.[2][4][5]

It has also been reported from Mount Pleasant, New Brunswick, Canada; the Flambeau mine, Ladysmith, Rusk County, Wisconsin, USA; in the Mangabeira tin deposit, Goiás, Brazil; Attica, mines of the Lavrion District, Greece; Erzgebirge, Saxony, Germany; the Krušné Hory Mountains of Bohemia, Czech Republic; the Chubu Region, Honshu Island, Japan; and the Arashan Massif of Tashkent, Uzbekistan.[3][1]

References[edit]

  1. ^ a b Handbook of Mineralogy
  2. ^ a b Webmineral data
  3. ^ a b Dzhalindite: mindat.org
  4. ^ Genkin, A.D.; I.V., Murav’eva (1963). "Indite and dzhalindite – new indium minerals". Zap. Vses. Mineral. Obshch. 92: 445–457. 
  5. ^ Sutherland, J. K. (1971). "A second occurrence of dzhalindite". The Canadian Mineralogist 10 (5): 781.