Saponite
Chemical Formula	Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2·n(H2O)
Species	Silicates
Crystal System	Monoclinic
Mohs Scale	1-2
Specific Gravity	2.24-2.30
Color	White, yellow, red, green, blue
Streak	White
Luster	Greasy, Dull
Refractive Index	n = 1.479 - 1.490 n = 1.510 - 1.525 n = 1.511 - 1.527
Diaphaneity	Translucent
Cleavage	perfect
Crystal Habit：Granular - Massive