Difference between revisions of "Garnet"
From The Gemology Project
Africanuck (talk | contribs) |
|||
| Line 1: | Line 1: | ||
{{garnet}} | {{garnet}} | ||
| + | |||
| + | Garnet is a group of minerals, with similar chemical composition and a common crystal habit. The following are the 6 members of the garnet family: | ||
| + | |||
| + | Almandine | ||
| + | Pyrope | ||
| + | Grossular | ||
| + | Spessartite | ||
| + | Andradite | ||
| + | Uvarovite | ||
Revision as of 13:12, 2 October 2006
| Garnet | |
|---|---|
| Chemical composition | L3M2(SiO4)3
Isomorphous series |
| Crystal system | Cubic |
| Habit | Dodecahedra |
| Cleavage | None |
| Hardness | 6.5-7.5 |
| Optic nature | Isotropic |
| Refractive index | 1.74-1.89 |
| Birefringence | None |
| Specific gravity | 3.60-4.20 |
| Lustre | Vitreous to sub-adamantine |
Garnet is a group of minerals, with similar chemical composition and a common crystal habit. The following are the 6 members of the garnet family:
Almandine Pyrope Grossular Spessartite Andradite Uvarovite
