Oxides and Hydroxides

4th class - Oxides and hydroxides. They consists of oxides and hydroxides of metals and nonmetals. Their categorization is based on the metal/oxygen ratio. The hydroxides are classificed mainly on the basis of the presence of OH and/or H₂O. Also arsenides (AsO₃), selenides (SeO₃), tellurides (TeO₃) and iodides (IO₃) belong to this class.

Exhibition detail no. 7624

No. of sample:	g7624
Mineral:	křemen, HOR
Description:	tři kusy
Localization:	Krupka, štola č.2

Author:	leg. Janečka 1971
Comment:	křemenná žilka s kassiteritem a jílovými minerály, východní překop, žíla 3 jih u b.276

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Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]