Achat grau, Kugelstrang 10 mm Magnet-mehrreihig or pink are usually dyed

or pink are usually dyed or heat-treated

Color: Iron grey to anthracite

No complicated techniques required

Side crimp caps are especially practical for jewelry repairs

Madagascar

Achat grau, Kugelstrang 10 mm Magnet-mehrreihig or pink are usually dyedStrand length: approx. 40 cm Stone size: Diameter 10 mm Cut: Ball Color: grey Agates belong to the chalcedony group and thus to the quartz minerals. They form in cavities of volcanic rocks, where silicic acid solutions are deposited and solidify in phases. This layered structure creates the typical layers and patterns of agates no two stones are alike. The individual layers can consist of chalcedony, crystalline quartz, jasper, or opal. Natural agates