Physical Properties |
|
Chemical formula | Ca2Mg5Si8O22(OH)2 |
Class | Inosilicate Single chains of linked tetrahedra |
Crystal system | Monoclinic |
Habit | Prismatic Radiating or parallel blades Asbestiform Columnar |
Color | White, green |
Hardness | 5 to 6 |
Specific gravity | 3.0 to 3.3 |
Cleavage | Two perfect prismatic {110} |
Fracture | Uneven |
Luster | Vitreous Silky |
Transparency | Transparent to translucent |
Streak | White |
Optical Properties |
|
PPL | Colorless Green and weakly pleochroic if Fe is present “60/120” cleavage (56° and 124°) |
XPL | Upper 1st order to 2nd order colors |
δ | 0.022 |
after Perkins, 331-332 |
Tremolite in Hand Sample
Tremolite
Acicular tremolite in quartzite
Scanning electron micrograph of tremolite
Tremolite in Thin Section
Thin Section GigaPans
Tremolite in talc-tremolite schist, plane polars
Tremolite in talc-tremolite schist, crossed polars