Home Phillipsite
VIII - Tectosilicates (Zeolite Group)		 Crystal habit of Phillipsite
 
Name   Phillipsite
Chemistry   KCa[Al3Si5O16]·6H2O
Hardness   4.5
Lustre   vitreous
Colour   colourless, white, yellowish, greyish, translucent
Streak   white
Density [g/cm3]   2.2
Crystal habit   monoclinic, crystals small, always mimetic twins (higher symmetry)
Cleavage, Fracture   [010], [001] distinct, fracture uneven
other characteristics and occurrences   commonly in vesicles of basalts
   
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 © 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
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