Silicates
9th class - Silicates This group of minerals is extremely large. The fundamental building block of silicates is the SiO4 tetrahedron, and silicate structures are classified according to the degree of polymerization by corner-sharing of the tetrahedra:
Nesosilicates - have insular SiO4 tetrahedra. Sorosilicates - have cluster structures with two, or rarely more, corner- sharing tetrahedra. Cyclosilicates - have tetrahedra connected into rings. Inosilicates - have tetrahedra in chains of infinite length. Phyllosilicates - have rings of tetrahedra linked into continuous sheets. Tektosilicates - have tetrahedra linked into a 3-dimensional framework. List of exhibitsdioptas, jeden kus g11782krokydolit, jeden kus g11805 topaz, jeden kus g11811 desmín,adular,ortoklas,záhněda, jeden kus g11818 titanit, jeden kus g11820 turmalín, deset kusů g11822 celestin, jeden kus g11825 heulandit a skolecit, jeden kus g11913 mordenit v rhyodacitu, jeden kus g11914 apofylit v basaltu, jeden kus g11915 skolecit a stilbit, jeden kus g11918 hiddenit, jeden kus g11920 kyanit, dva kusy g11921 albit, jeden kus g11869 rhaeticit, jeden kus g11871 dravit, margarit, jeden kus g11872 heulandit, jeden kus g11874 amazonit, jeden kus g11876 hemimorfit, jeden kus g11877 desmín, jeden kus g11882
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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]