Free Form Green Opal – Polished Display Specimen OVERSTOCK Assorted males and females

Assorted males and females

Each piece unique

making them formidable nocturnal predators in the natural world

Discover the elegance of Papilio swallowtails with this expertly curated introduction collection

Free Form Green Opal – Polished Display Specimen OVERSTOCK Assorted males and femalesA beautifully polished free form specimen of Green Opal, hand cut with a flat base for effortless display. Each piece is graded by weight, so dimensions will vary naturally, and the unique character of each stone in colour, pattern, shape, and finish means no two specimens are alike. Green Opal is a common Opal formed from a silica rich solution of silicon dioxide and water. As water percolates through the earth, it picks up silica from sandstone;