Tourmaline
Tourmaline is a common mineral in the fossils and minerals collector market, often sold as raw crystals or specimens, with black tourmaline (schorl) being the most affordable and typical variety a regular person encounters.
Estimated value as of 2026 · Source: Science Museum of Minnesota Store ; common for small black tourmaline specimens …
Fun Fact
Black tourmaline raw sells for just $100-$800 per kg, making it one of the cheapest gem minerals by weight, while rare varieties like Paraiba can exceed $10,000 per carat.
Price History
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