Updated as of June 2026
Pyrite vs Obsidian
| Pyrite | Obsidian | |
|---|---|---|
| Price / carat | $1 to $30 | $1 to $40 |
| Hardness (Mohs) | 6.25 | 5.25 |
| Color | Gold, Yellow, Metallic | Black, Brown, Gray, Rainbow sheen |
| Treatment | Typically untreated | Typically untreated |
The bottom line
Pyrite and Obsidian both make beautiful jewelry. Choose by the look you want first, then weigh hardness against how hard you will wear the piece, and let price settle close calls. Read the full guides for Pyrite and Obsidian.
Frequently asked questions
Is Pyrite or Obsidian more durable?
Pyrite is harder (Mohs 6.25 vs 5.25), so it resists scratches better.
Which is cheaper, Pyrite or Obsidian?
Pyrite runs about $1 to $30 per carat and Obsidian about $1 to $40 per carat, so Pyrite is usually the more affordable choice.
Which should I choose?
Pick Pyrite if you want gold tones and Obsidian if you prefer black. Match the stone hardness to how you will wear it and let budget break the tie.