Clinochlore
Chemical Formula	(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6
Species	Silicates
Crystal System	Monoclinic
Mohs Scale	2
Specific Gravity	2.6-3.3
Color	Various shades of green; rarely yellow, red, or white.
Streak	Pale green to grey
Luster	Greasy, Pearly, Dull
Refractive Index	n = 1.571 - 1.588 n = 1.571 - 1.589 n = 1.576 - 1.599
Diaphaneity	Transparent, Translucent
Cleavage	Perfect Perfect
Fracture	Lamellar
Crystal Habit：Foliated masses, scaley aggregates, disseminated flakes.
Geological Setting：Hydrothermal alteration product of amphibole, pyroxene and biotite.