Copper ("Spinel"-twin) Amber so the piece has wonderful

so the piece has wonderful balance

One of the more unique specimens in the lot showing a rather large

is very displayable from several angles

Back in the late 1980s or early 1990s (according to various sources) there was a discovery at the Golconda Mine that produced some extraordinary Bertrandites

Copper ("Spinel"-twin) Amber so the piece has wonderfulThis is a classic example of what a "Spinel" twinned Copper should look like. The piece has a beautiful mixture of the elongated form of the twin itself which plays beautifully against the smooth outer octahedral crystal faces. If you look to the center, you will see the concave "channels" that run the length of the specimen, these are essentially the contact planes where the crystals are twinned together. The piece is doubly terminated with no damage