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This lava rolled across the landscape
intricate patterns of minute black flecks
and those that still exist today have been passed down for generations
commonly known as Limestone
piñon Cubano
Dendritic Black Opal 6mm Round 15-16 Inch hps_04092026 This lava rolled across theThis 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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