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
Tremolite, Plane Polars
Tremolite in plane polarized light. Magnification: 40x Rock: Talc-tremolite schist Click here to watch this grain rotate in XPL: https://youtu.be/jkghynKS-hQ…
Tremolite, Crossed Polars
Tremolite in plane polarized light. Magnification: 40x Rock: Talc-tremolite schist Click here to watch this grain rotate in PPL: https://youtu.be/w782ovG0SbA…