Purple Dendritic Opal 8mm Round - 15-16 Inch Lapis Lazuli creating veins and mottling that

creating veins and mottling that ranges in color from rust to black

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Moss Agate is a variety of Chalcedony

with additional major finds in 2008 and 2013

Purple Dendritic Opal 8mm Round - 15-16 Inch Lapis Lazuli creating veins and mottling thatThis 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.