Home Pektolite
VIII - Inosilicates
Crystal habit of Pektolite Pektolite

Name   Pektolite
Chemistry   Ca2Na[(OH)|Si3O8]
Hardness   5
Lustre   vitreous - silky
Colour   white, colourless, grey
Streak   white 
Density [g/cm3]   2.8 - 2.9
Crystal habit   triclinic, crystals globular, fibrous, radiating, acicular
Cleavage, Fracture   [001], [100] perfect, fracture splintery
other characteristics and occurrences   hydrothermal formation in cavities of basalts, with zeolites, prehnite (CaAl[6][(OH)2|AlSi3O10]) and calcite (CaCO3)

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© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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