Free Form Green Opal – Polished Display Specimen Size:Medium 501g–750g Sternocera aequisignata has iridescent green

Sternocera aequisignata has iridescent green elytra

Size: 13cm (H) × 8cm (W) per half

10 x Unmounted Beetle Specimens for Collecting

making each specimen a genuinely ancient piece of natural history

minerals and crystals sourced from global locations

Free Form Green Opal – Polished Display Specimen Size:Medium 501g–750g Sternocera aequisignata has iridescent greenA 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;