Dendritic Black Opal 4mm Round - 15-16 Inch Featured_03052026 Boulder Opal is a golden-brown
Description
Boulder Opal is a golden-brown to dark brown stone
olive green and gray-green
resulting in fossils that are chalk-white
Rosewood is a hardwood found in the Phillipines
Jasper is an opaque
Dendritic Black Opal 4mm Round - 15-16 Inch Featured_03052026 Boulder Opal is a golden-brownThis 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.
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