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Due to its complex crystal structure and limited rough suitable for cutting
Sodalite is named for its sodium content and may be classified as a feldspathoid
and short prismatic crystals
particularly from archaeological sites like those in the Swat Valley
Dendritic Opal 9-10mm Irregular Rondelle - 15-16 Inch 01132022FEATURE Due to its complex crystalThis 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