Home Chloritoid
VIII - Nesosilicates
Crystal habit of Chloritoid

Name   Chloritoid
Chemistry   Fe2+3Al4[(OH)|O2(SiO4)]2
Hardness   6.5
Lustre   pearly
Colour   green grey, green black, greyish black, dark green, dark grey
Streak   green grey 
Density [g/cm3]   3.5 - 3.8
Crystal habit   monoclinic, crystals foliated with hexagonal shape
Cleavage, Fracture   fracture conchoidal
other characteristics and occurrences   ottrelite  = Mn-rich variety
sismondine = Mg-rich variety
in regonal metamorphic rocks (schists, marbles) of low pressure

This page in German - Diese Seite in Deutsch
© 2004 Büro für angewandte Mineralogie · Dr. Stephan Rudolph · D-47918 Tönisvorst
These recommendations are believed to be correct. However, no guarantee of their accuracy is given. Therefore, purchasers shall make their own tests to determine suitability for their use. These products are offered for industrial and related uses (e.g. research and development) only. However the user must take the necessary precautions appropriate for products containing chemicals. This description does not imply the absence of any patents, the responsibility whatsoever solely rests with the user.