MSR22 Hambergite
Sahatany Valley, Sahatany Pegmatite Field, Vakinankaratra Region, Antananarivo Prov., Madagascar
2.4x 2.0x 0.5 cm
$400
An excellent thumbnail of this rare beryllium borate. These are rather rare, and what I've seen in the past are usually just broken or very small shards. This crystal was particularly nice-- I cant tell if it is a twin or a parallel growth, but either way it is a top quality thumbnail of the species.