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Gilson Lab Opals - RGB Round Coin - 4mm

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$2.60 / Piece
$3.25 / Each 
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These coin opals are flat & polished on both sides and rounded & polished along the edges. The stones are 1mm thick. Each stone has a black base and red, green, blue and yellow fire. The fire in each stone varies quite a bit depending on the amount of light. More green with less light and more red and blue in higher light environments.
Sold by the piece.

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