Home Datolite
VIII - Nesosilicates
Crystal habit of Datolite

Name   Datolite
Chemistry   CaB[4][OH|SiO4]
Hardness   5.5
Lustre   vitreous
Colour   white, colourless, yellowish, reddish grey, grey, brown, green
Streak   white 
Density [g/cm3]   2.9 - 3.0
Crystal habit   monoclinic, crystals prismatic and richly faced
Cleavage, Fracture   fracture conchoidal to uneven
other characteristics and occurrences   secondary mineral in cavities of basaltic rocks, also in hydrothermal veins 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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