Dioptase on CalciteWhen it comes to Dioptase, there is no locality greater or more prolific than Tsumeb for quantity and quality. The finest Tsumeb Dioptase specimens are simply breathtaking, and now in very short supply on the market. This specimen exhibits the top emerald green color (impossible to replicate in photos) that made these specimens so famous. Sharp, very lustrous, well formed, trigonal crystals sit beautifully in a crystallized "ridge" on classic

so don't miss out on this one

This impressive and attractive twin has wonderful blocky form with very sharp faces

It almost feels like it could be alive if you look at it just right

Robert Stoufer collection

It's not just crystallized Copper that makes this area so famous

it’s a very worthwhile representation of these classic specimens

producing giant plates of crystals and individual singles measuring up to 60cm(

and attractive to be sure

Brazilian minerals or just top-quality minerals specimens

I personally acquired the entire lot of ALL the top crystals that came into the U

This attractive

) which were just pouring out of the mine for very a brief period of time