Home Actinolite
VIII - Inosilicates (Amphibole Group)
Crystal habit of Actinolite Actinolite

Name   Actinolite
Chemistry   Ca2(Mg,Fe2+)5[(OH)|Si4O11]
Hardness   5.5
Lustre   vitreous
Colour   green, white, grey
Streak   white 
Density [g/cm3]   2.9 - 3.3
Crystal habit   monoclinic, crystals flattened prismatic or elongated
Cleavage, Fracture   [100] perfect (124°), fracture splintery to uneven
other characteristics and occurrences   also as fibrous mass (asbestos) and very compact mass (nephite jade),
metamorphic mineral, in crystalline schists, also contact mineral

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