Heated Tanzanite Crystal — 20.85 g

This heated Tanzanite crystal from Merelani, Tanzania features a striking elongated prismatic form, a pointed crystal termination, and fine lengthwise striations. The specimen displays vivid blue-violet coloration, with rich violet translucency under transmitted light and visible natural internal features.

Weighing 20.85 grams, this individual crystal has undergone heat treatment.

• Mineral: Tanzanite (zoisite)
• Weight: 20.85 g
• Dimensions: 12.5 × 13 × 57.5 mm
• Locality: Merelani, Tanzania
• Treatment: Heated

All measurements are approximate. Color appearance may vary with lighting and viewing angle.