Home Sapphirine
VIII - Nesosilicates
Kristallform von Sapphirin

Name   Sapphirine
Chemistry   Mg2Al4[O6|SiO4]
Hardness   7.5
Lustre   vitreous
Colour   blue, bluish grey, greenish grey or green
Streak   white 
Density [g/cm3]   3.46
Crystal habit   monoclinic, crystals tabular, rarely foliated
Cleavage, Fracture   [101] perfect, fracture conchoidal
other characteristics and occurrences   formation by metamorphic convertion of aluminium and magnesium rich rocks (high grade metamorphism), together with cordierite (Mg2Al3[AlSi5O18])

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