Alexandrite (Chrysoberyl) aquamarine This very clear tanzanite shows

This very clear tanzanite shows a beautiful blue with excellent luster on excellent faces

Some matrix sitting on the lower part

Wir konnten uns den gesamten Fund sichern

good to very good luster

These black crystals are characterized by sharp edges and attractively structured surfaces

Alexandrite (Chrysoberyl) aquamarine This very clear tanzanite showsThe 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. Here is an alexandrite chip that also has some emerald on one tip.