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The difference between rough nobby opal and seam opal from Lightning Ridge

In this video Justin shows you the two types of opal found in Lightning Ridge – rough nobby opal and seam opal. Using examples he gives you a clear understanding of seam opal – mostly found in the Grawin and Mulga fields and nobby opal which is found in town and out at the Cooceran opal fields.

  • Ray Healy

    Thanks that theory seems logical though its amazing how stable the system was , ray Healy