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A purple amethyst with a golden outline
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Rock Crystal engraved with the 12 signs of the zodiac
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A purple amethyst stone
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Ivory engraved by Eskimos showing Hunting Scenes
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Examples of Table Cut, Cabochon, Rose Cut, Step Cut, Pear Bril...
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Sequence showing how pearls are made; grit irritating oyster, ...
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Charged amber
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Blue and green bug and insect trapped in Amber.
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String of large pearls.
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Old man with walking stick exchanging a gem for piles of gold ...
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A gold chain.
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A selection of animal badges that includes dolphins, parrots a...
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Line drawing of shells and pearls.
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Here slices of natural and stained ivory create a decorative s...
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Glistening grapes which dangle from the overhanging leaf of th...
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