Rough Pink Opal / 1-2" AVG - 1 KILO LOT Menu Journals & Notebooks Average size range: 20 to

Average size range: 20 to 70 millimeters

Malachite was historically used in green paint pigments

and can also serve as an ingredient in different red and brown pigments for paint

Pieces measure approximately 5cm (AVERAGE SIZE)

Rough Pink Opal / 1-2" AVG - 1 KILO LOT Menu Journals & Notebooks Average size range: 20 toQuantity: 1 kilogram Average size range: 1 to 2 inches 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.