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Stilbite has got the chemical formula Ca[Al2Si7O18] * 7H2O and so it is a silicate. It has got a hardness of 3.5 to 4 and it crystallizes in the monoclinical system. Another name for stilbite is desmine. In nature stilbite can be found in form of bundles of sheaves. Silbite can be found in India, in Brazil, in the Alps, in the USA and in Iceland.

Data about Stilbite
Chemical formula Ca[Al2Si7O18] * 7H2O
Mineral class silicates
Crystal system monoclinical
Hardness 3.5 to 4
Density 2.1 g/cm3 to 2.2 g/cm3
Color colorless, white, grey, yellow, reddish
Line color white
Gloss glass and pearly gloss
Break inflexibly
Fissileness perfectly

Author and Webmaster: Lukas Czarnecki

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Last Update: 21.01.2006