Like frozen ocean water- Peruvian Blue Opal. Many of these are dendritic, meaning they have fabulous 'tree-like' inclusions that are usually the result of manganese oxides or silicates.
Difficult material to source
We are showing and example cabochon we had cut from this material
6 pieces / 50.40 grams / 8+ grams average
Estimate: $225 - $235
