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created when silica hardens within the fissures of other stones
rendering its black especially deep and mysterious
Like all obsidian
near the Kennedy Ranges of Australia
firely new look to these stones
Dendritic Black Opal 6mm Round 15-16 Inch featured_05072026EUD created when silica hardens withinThis 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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