Carnelian
Use attributes for filter ! | |
Color | Red |
---|---|
Orange | |
Luster | Vitreous |
Crystal system | Hexagonal crystal system |
Chemical formula | SiO₂ |
Hardness (Mohs hardness scale) | 7 |
Mineral class | Chalcedony |
Date of Reg. | |
Date of Upd. | |
ID | 541954 |
About Carnelian
Carnelian is a brownish-red mineral commonly used as a semi-precious gemstone. Similar to carnelian is sard, which is generally harder and darker. Both carnelian and sard are varieties of the silica mineral chalcedony colored by impurities of iron oxide.