Semi-Black Opal silicate growths of crystallized Copper flaring

growths of crystallized Copper flaring out like a large piece of metallic

I will say that this is certainly one of the better crystal groups from this find

The crystal shows superb deep red fluorescence under UV light

Good quality

There is a bit of conflicting information

Semi-Black Opal silicate growths of crystallized Copper flaringOpal is a fascinating gem as it's one of the few stones that looks just as attractive when it's crystal clear as it does when it's opaque. The numerous amounts of colors seen in Opals from around the world is what makes them so popular and special. It's amazing to think that Opal is essentially Quartz with water molecules in its chemical structure, and that's what causes the beautiful colors to form. This "Oval Cabochon" cut gem is what is often