Carnelian
gem · common
Quick facts
- Formula
- SiO₂
- Hardness
- 6.5-7
- Luster
- Vitreous
- Colors
- Red, orange, brown
Carnelian is a variety of chalcedony known for its warm, reddish-orange hues. It has been used in jewelry and as a gemstone for thousands of years.
Look for its warm red to orange color and smooth, polished surface.
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