Tumbled Pink Opal (1 Pound) menu geodes It forms through the weathering

It forms through the weathering and oxidation of copper ores

When exposed to sunlight

25 Inches Wide) Sizes Vary Slightly

Pink Agate Slice Pendants with Gold Plating

Tumbled Pink Opal (1 Pound) menu geodes It forms through the weatheringUniqueness Guaranteed: Every item is one of a kind, making them ideal for all projects or designs. Avg Size Range: (0. 5 to 1. 5 Inches Long) Sizes Vary Opal is a gemstone featuring high water content, and it can form inside sedimentary or volcanic rock and even some ores like limonite. Pink opal is a variety of common opal, meaning it does not have the opalescence or play of color that precious opal does. The pink color comes from copper and iron.