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

limonit, konkrece /lebník/, tři kusy g7832
křemen, antimonit, jeden kus g7856
wolframit, jeden kus g7857
křemen, pyrit, galenit, jeden kus g7868
křemen žilný, s povlaky kalcitu a pyritem, jeden kus g7870
magnetit, jeden kus g7753
krevel s magnetovcem, jeden kus g7754
okr, dva kusy g8285
limonit, tři kusy g8313
žíla - křemenno - železitá s glageritem, jeden kus g8317
žíla - křemenná s hnědelem, dva kusy g8320
limonit, dva kusy g8321
křemen, jeden kus g7879
wolframit, jeden kus g7949
křemen - fluorit, dva kusy g7884
magnetit, jeden kus g7995
limonit s krystal.vápencem, dva kusy g8003
magnetit, jeden kus g7970
křemen - z terasy ohlazený větrem, jeden kus g8325
křemen-dialogitová žilovina s neotokitem, jeden kus g8391

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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]