Rare Peruvian Green Opal Multi-Faceted Oval Bead.
 
Peruvian Opal lacks the fiery characteristic of other Opals due to random crystalline composition. It is a sedimentary rock composed of oxygen, silicon and hydrogen that formed at lower temperatures from igneous rock with high silica content.
 
 
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* Photos show all sides.
* Sizes, shapes and colors my vary due to being a natural stone, being hand-carved and/or difference in computer monitors.