Bi-Color Tourmaline Crystal — Cruzeiro Mine, Brazil, 3.35 g

Natural bi-color tourmaline crystal from the Cruzeiro Mine in Brazil. This specimen displays two distinct color zones and is reported to be untreated, with no repairs.

• Mineral: Tourmaline
• Origin: Cruzeiro Mine, Brazil
• Specimen weight: 3.35 g
• Dimensions: 5.5 × 10.5 × 25.5 mm
• Treatment: Untreated
• Repairs: None
• Notable feature: Bi-color zoning

All measurements are approximate.