Here for your consideration is a wonderful Green Opal from Peru. Peruvian opal forms through a unique geological process involving the deposition of silica gel within sedimentary rocks. Unlike many other types of opal, which typically form in veins or pockets within igneous rocks, Peruvian opal originates from silica-rich solutions that seep into crevices and voids in sedimentary deposits. Peruvian opal is composed primarily of hydrated silica (SiO2·nH2O), with the addition of various impurities and trace elements that contribute to its coloration and appearance. Unlike precious opals, which often contain microscopic spheres of silica arranged in a regular pattern, Peruvian opal lacks this structure and is typically amorphous in nature. So in other words, Peruvian opal often lacks the play-of-color phenomenon, instead exhibiting a subtle green-aqua glow. Some slight matrix inclusions and pitting can occur (as pictured).
Standard radius dome. Vitreous polish front and back.
This will be a drop dead gorgeous focal piece in your next metalsmithing or wire wrap project. It is indeed quite the cool heirloom collectible to brag about as well.
Length – 28.3mm
Width - 13.45 mm
Depth – 7.91 mm
Weight - 27 Carats
Origin - Andes Mountains, Peru
This cabochon was photographed indoors under full spectrum LED's.
Hand crafted by Lexx. Custom orders are always welcome!
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