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

magnetit, jeden kus g7267
siliciophit ze žlutošed.zeminy, jeden kus g7270
opál, jeden kus g7284
opál, jeden kus g7319
křemen, dva kusy g7325
Fe ruda (krevel), dva kusy g6578
krevel, dva kusy g6581
Fe ruda (krevel), jeden kus g6600
křemen-hematitická žilovina, dva kusy g6647
Sn - rudy, jeden kus vrtné jádro g6738
magnetit v žilovině epidot.-kř, jeden kus g6574
limonit, jeden kus g6576
křemen, jedna krabička g7326
křemen, apatit, jeden kus g7429
lebník (hnědel), tři kusy g7454
limonit, dva kusy g7455
křemen.žíla s kassiteritem, dva kusy g7620

magnetit - ruda páskovaná, jeden kus g7578
křemen, kalcit, hematit, jeden kus g7581
křemenná žilka, jeden kus g7642

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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]