Dendritic Opal 9-10mm Irregular Rondelle - 15-16 Inch Round Light Blue Matrix Gamma ray irradiation

Gamma ray irradiation

Red Agate is a form of Chalcedony

blue-greens and greens swirled with yellow-green

light gray or black

Rosewood is a hardwood found in the Phillipines

Dendritic Opal 9-10mm Irregular Rondelle - 15-16 Inch Round Light Blue Matrix Gamma ray irradiationThis variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, manganese and other metallic oxides captured during the forming of the rock. Opals are hydrated amorphous forms of silica, created when silica hardens within the fissures of other stones. Note Due to the unique hand made manufacturing process of these beads, the strand length, bead measurements, colors, and beads