Home Harmotome
VIII - Tectosilicates (Zeolite Group)

Name   Harmotome
Chemistry   Ba[Al2Si6O16]·6H2O
Hardness   4 - 5
Lustre   vitreous
Colour   colourless, white, yellowish
Streak   white 
Density [g/cm3]   2.44 - 2.5
Crystal habit   monoclinic, crystals small, penetration twins
Cleavage, Fracture   [010] distinct, fracture uneven
other characteristics and occurrences   in vesicles of basalts as well as in ore veins

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