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 exhibits

natrolit, prehnit, jeden kus /11x7cm/ g8881
prehnit, jeden kus /11x5cm/ g8882
olivín, jeden kus /9x8cm/ g8777
heulandit, jeden kus /11x7cm/ g8778
heulandit, jeden kus /10x6cm/ g8779
chalcedon, jeden kus /12x10cm/ g8780
olivín, jeden kus g8781
tremolit, jeden kus /6x4cm/ g8784
tremolit, jeden kus /13x7/ g8785
beryl, jeden kus /8x4cm/ g8788
vesuvian, jeden kus /8x7cm/ g8792
leucit, dva kusy /průměr 2cm a 3 cm/ g8854
amfibol, jeden kus /4x2cm/ g8855
apofylit, jeden kus /12x8cm/ g8862
analcim, jeden kus /10x4cm/ g8864
apofylit /albin/, jeden kus /12x8cm/ g8866
augit, jeden kus /9x5cm/ g8867
apofylit, jeden kus /8x8cm/ g8868
natrolit, kalcit, jeden kus /8x6cm/ g8869
apofylit s natrolitem, jeden kus /11x8cm/ g8870

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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]