Free Form Green Opal – Polished Display Specimen OVERSTOCK ensuring you receive an exceptional

ensuring you receive an exceptional example of this remarkable species

Each piece unique

Assorted males and females

Entomology collections and research

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

Free Form Green Opal – Polished Display Specimen OVERSTOCK ensuring you receive an exceptionalA 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;