Home Sepiolite
VIII - Phyllosilicates (Clay Minerals)

Name   Sepiolite
(Sea Foam)
Chemistry   Mg4[(OH)2|Si6O15]·6H2O
Hardness   2.5
Lustre   dull
Colour   white, greyish white, yellowish white, bluish green white, reddish white, grey
Streak   white
Density [g/cm3]   2.0
Crystal habit   orthorhombic
Cleavage, Fracture    
other characteristics and occurrences   weathering product form magnesite (MgCO3) and serpentine (Mg6[(OH)8|Si4O10])

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