Alexandrite (Chrysoberyl) fe-dravite large raspberry-red crystal fragment from

large raspberry-red crystal fragment from a new discovery of this very rare mineral: In contrast to the pieces normally found

The transverse striations on the surfaces are well developed

Here is a long

This aesthetic actinolite specimen is characterized by several highly lustrous blocky crystals

Alexandrite (Chrysoberyl) fe-dravite large raspberry-red crystal fragment fromThe alexandrites from Lake Manyara usually show a slight color change: in daylight they are green blue, while in candlelight they show a slight purple shimmer, especially at fracture points. In long wave UV light, however, they glow red. A cyclic crystal with multiple crystal faces.