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Green Opal is a common Opal and is formed from a solution of silicon dioxide and water. As water runs down carries this silica-rich solution into cracks and voids. through the earth, it picks up silica from sandstone, and as the water evaporates, it leaves behind a silica deposit

Green Opal Sphere - 710 grams

SKU: 80086
£65.00 Regular Price
£52.00Sale Price

April Sale

Quantity
  • Weight: 710 grams   
    Measurements: H 82 mm - W 82mm - D 82mm

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