Jade
Trade name
Jade is the trade name covering both jadeite rock and nephrite. The name spans several distinct mineral species.
Photos



About Jadeite (major)
Full reference data — crystallography, X-ray diffraction, and cited physical properties — is on the Jadeite species page.
| Formula | NaAlSi2O6 |
|---|---|
| Hardness (Mohs) | 6.5-7 |
| Specific gravity | 3.33-3.35 |
| Density (calculated) | 3.338 |
| Crystal system | monoclinic |
| Color range | green, white |
| Luster | pearly, vitreous |
| Streak | red |
About Tremolite (major)
Full reference data — crystallography, X-ray diffraction, and cited physical properties — is on the Tremolite species page.
| Formula | ܆Ca2(Mg5.0-4.5Fe2+0.0-0.5)Si8O22(OH)2 |
|---|---|
| Density (calculated) | 2.987 |
| Crystal system | monoclinic |
| Streak | white |
About Actinolite (major)
Full reference data — crystallography, X-ray diffraction, and cited physical properties — is on the Actinolite species page.
| Formula | ܆Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 |
|---|---|
| Density (calculated) | 3.117 |
| Crystal system | monoclinic |
| Streak | white |