Blue-Green Beryl Crystal Cluster with Topaz - Transbaikalia, Russia

This is a 2.2" long cluster of blue-green beryl crystals covered in an aggregate of small Topaz crystals. It was collected in Transbaikalia, Russia and its been mounted to an acrylic display stand. The longest crystal in the cluster is 2" long.

Beryl is a mineral that's composed of beryllium aluminum cyclosilicate, with the chemical formula Be3Al2(SiO3)6. Naturally occurring beryl tends to form hexagonal crystals that can reach several meters in size if given the right conditions. Completely pure beryl will be transparent and colorless, while mineral impurities frequently tint the crystals color in most specimens.

Well known varieties of beryl include aquamarine and emerald, although beryl can also be green, blue, yellow, white and red, depending on the incorporated impurities during formation. Red beryl is known to be the most rare form of beryl found and is currently only known to be found in New Mexico and Utah.
Beryl & Topaz
Transbaikalia, Russia
Cluster 2.2 x 1.1", Longest crystal 2"