Copper ("Spinel"-twin) Amber It is very difficult to

It is very difficult to obtain any specimens of this incredibly beautiful and rare phosphate

Specimen # BOL711B51

is very displayable from several angles

Betrandite is a fairly rare beryllium silicate

ridiculously rare specimen consisting of radiating crystal aggregates of Vauxite on clay matrix

Copper ("Spinel"-twin) Amber It is very difficult toThis 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