Updated as of June 2026
Prehnite vs Aventurine
| Prehnite | Aventurine | |
|---|---|---|
| Price / carat | $3 to $60 | $2 to $35 |
| Hardness (Mohs) | 6.25 | 6.75 |
| Color | Green, Yellow-green, Colorless | Green, Blue, Peach, Gray |
| Treatment | Typically untreated | Typically untreated |
The bottom line
Prehnite and Aventurine 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 Prehnite and Aventurine.
Frequently asked questions
Is Prehnite or Aventurine more durable?
Aventurine is harder (Mohs 6.75 vs 6.25), so it resists scratches better.
Which is cheaper, Prehnite or Aventurine?
Prehnite runs about $3 to $60 per carat and Aventurine about $2 to $35 per carat, so Aventurine is usually the more affordable choice.
Which should I choose?
Pick Prehnite if you want green tones and Aventurine if you prefer green. Match the stone hardness to how you will wear it and let budget break the tie.