Dendritic Opal 3x6mm Faceted Rondelle - 15-16 Inch Stone Type_Lepidocrocite Gem Silica occurs in a

Gem Silica occurs in a vivid blue green color due to the presence of copper in the stone and is free of inclusions of other minerals

West African Jade is a complex Calcium Aluminum Silicate and is a Nephrite Jade

These detailed inlay coin beads have a variety of stones such as Abalone

phlogopite

Dendritic Opal 3x6mm Faceted Rondelle - 15-16 Inch Stone Type_Lepidocrocite Gem Silica occurs in aThis 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.