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. 7879

No. of sample:	g7879
Mineral:	křemen, HOR
Description:	jeden kus
Localization:	Skalsko /Pohoří/ u Jílového, staré doly na živec

Author:	leg.Vachtl,1947
Comment:	99,6% SiO2, 0,16%Fe - sdělil ing. Grund, K.Hora

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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]