Alexandrite (Chrysoberyl) fe-dravite Here is a long

Here is a long

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

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

which is rare for this mineral

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Alexandrite (Chrysoberyl) fe-dravite Here is a longThe 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.