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.

List of exhibits

hausmannit, jeden kus g11873
uranopilit, jeden kus g11883
adulár, jeden kus g11884
magnetit, jeden kus g11886
záhněda na ortoklasu, jeden kus g11897
achát, jeden kus g11907
růženín, jeden kus g11909
obsidian, jeden kus g11910
achát /medem barvený/, jeden kus g11911
opál - dendrit, jeden kus g10936
opál, jeden kus g10938
opál, jeden kus g10939
magnetit s kryst. vápencem, jeden kus - Krystalinikum g1231
uraninit, jeden kus g518
limonit, dva kusy g952
uraninit, devět kusů - 35g g1013

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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]