Chrysoprase
| Use attributes for filter ! | |
| Color | Green |
|---|---|
| Luster | Vitreous, Waxy |
| Crystal system | Hexagonal crystal system |
| Chemical formula | SiO₂ |
| Hardness (Mohs hardness scale) | 7 |
| Mineral class | Chalcedony |
| Date of Reg. | |
| Date of Upd. | |
| ID | 696712 |
About Chrysoprase
Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony that contains small quantities of nickel. Its color is normally apple-green, but varies to deep green. The darker varieties of chrysoprase are also referred to as prase.