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

křemen /záhněda/, jeden kus /10x7cm/ g8729
wolframit, jeden kus /11x6cm/ g8731
kassiterit, jeden kus /8x7cm/ g8734
wad, jeden kus /10x6cm/ g8816
magnetit, jeden kus /7x6cm/ g8818
ilmenit, jeden kus /11x8cm/ g8819
ilmenit, jeden kus /10x7cm/ g8832
křemen, jeden kus /8x5cm/ g8782
křemen, jeden kus /9x6cm/ g8786
hematit, jeden kus /10x7cm/ g8787
ortoklas, jeden kus /9x6cm/ g8791
rutil, pět kusů g8794
hematit, jeden kus /5x4cm/ g8796
limonit, šest kusů /1-3cm v průměru/ g8856
lunnit (pseudomalachit), jeden kus /10x7cm/ g8840
ametyst, jeden kus /14x8cm/ g9035
chrysoberyl, jeden kus /8x7cm/ g8936
goethit, jeden kus /11x7cm/ g8938

goethit, jeden kus /9x5cm/ g8940
ametyst, jeden kus /11x8cm/ g9063

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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]