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Opal in the rough: red-blue-green: some older favorites of mine
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Opal in the rough: red-blue-green (mosaic 2)
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Opal in the rough: red-blue-green (mosaic 3)
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Opal in the rough: red-blue-green (mosaic 4)
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Opal in the rough: red-blue-green (mosiac 5)