Tremolite thin section
Locality in Tremola Valley, near St. Gotthard, Switzerland.
Formula: ▯Ca2Mg5 Si8O22(OH)2
System: Monoclinic
Color: White, brown, colourless, grey, light green, green, light yellow, pink-violet
Lustre: Vitreous, Silky
Hardness: 5–6
Density:...