Color-Banded Tourmaline Crystal — Minas Gerais, Brazil, 8.45 g

Natural, untreated tourmaline crystal from Minas Gerais, Brazil, displaying distinctive color banding. Reported to have no damage or repairs.

• Mineral: Tourmaline
• Origin: Minas Gerais, Brazil
• Specimen weight: 8.45 g
• Dimensions: 6.5 × 13.5 × 50 mm
• Treatment: Untreated
• Condition: No damage or repairs reported
• Notable feature: Color banding

All measurements are approximate.