Jet
Jet is a gemstone. It has a Mohs hardness of 2.5 to 4 and subvitreous to waxy luster.
Jet properties
| Type | Gemstone |
|---|---|
| Mohs hardness | 2.5 to 4 |
| Luster | Subvitreous to waxy |
| Typical colors | Black, dark brown |
| Formation | Organic, formed from the fossilized wood of ancient trees |
| Rarity | 4 / 10 |
Mohs hardness 2.5–4 — soft
1 · Talc5 · Apatite10 · Diamond
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