Talc
$Mg_3Si_4O_{10}(OH)_2$
Family
phyllosilicates
Crystal system
monoclinic
Color
white, colorless, green, yellow to brown, redish
Streak color
white
Cleavage
no visible cleavage
Hardness
1
Density
2,7 to 2,8
Explanations: →
Here
List of minerals: →
Here