| Green Gemstones |
|---|
| Gemstone | Crystal System | Density | Hardness | Refractive index | Treatments |
 Agate |
microcrystalline | 2.66 | 6.5-7.0 | 1.544-1.553 | dying |
 Alexandrite |
orthorhombic | 3.72 | 8.5 | 1.746-1.755 | dying |
 Beryl |
hexagonal | 2.72 | 7.5-8.9 | 1.577-1.583 | heat, radiation, fracture filling, oiling |
 Bloodstone |
microcrystalline | 2.60 | 6.5-7.0 | 1.535-1.539 | none |
| microcrystalline | 2.65 | 7 | 1.564-1.660 | dying | |
 Corundum |
trigonal | 4.00 | 9.0 | 1.762-1.770 | none |
 Demantoid |
cubic | 3.84 | 6.5-7.0 | 1.875 | none |
 Diamond |
cubic | 3.52 | 10 | 2.417 | radiation, drilling, fracture filling |
 Diopside |
monoclinic | 3.29 | 5-6 | 1.675-1.701 | none |
 Emerald |
hexagonal | 2.72 | 7.5-8.0 | 1.746-1.755 | dying, fracture filling, oiling |
 Garnet |
cubic | 3.40 | 5.5-6.5 | 1.700-1.746 | none |
 Jadeite |
microcrystalline | 3.34 | 6.5-7.0 | 1.660-1.680 | dying |
 Malachite |
microcrystalline | 3.95 | 3.5-4.0 | 1.660-1.910 | reconstitution |
| aggregate | 2.5 - 3.5 | 6.0-7.0 | 1.52 - 1.74 | none | |
 Moldavite |
amorphous | 2.40 | 5.50 | 1.50 | none |
 Nephrite |
microcrystalline | 2.40 | 2.95 | 1.606-1.632 | none |
 Sapphire |
hexagonal | 4.00 | 9 | 1.762-1.770 | heat, fracture filling |
 Spinel |
cubic | 3.60 | 8 | 1.718 | none |
| Tsavorite |
cubic | 3.84 | 6.5 - 7 | 1.73 - 1.75 | none |
 Tourmaline |
trigonal | 3.06 | 7.0-7.5 | 1.624-1.644 | heat |
 Varisite |
orthorhombic | 2.50 | 4.0-5.0 | 1.560-1.590 | none |
