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Australian Opal is found in many different types of matrix. Boulder opal is found in iron stone, petrified wood, sand, to name a few. This boulder opal ring, purplish in color, is found in petrified wood.has an underwater scene within, magical really. 22k gold wraps the boulder opal and the shank is made of sterling silver.
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It is not often to have "large faces" of boulder opal without any chocolate matrix...
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Spectacular earrings; carved drusy quartz with tourmalinated quartz and sapphire accents. 22k gold wrap the...