Profound Rainbow 5mm Sphere Opal

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1 x Rainbow 5mm Sphere Opal,Compatible with COE 33 / borosilicate glass

These sphere opals flash a true rainbow of of beautiful colours; blues, greens, reds, and purples! and are otherwise completely transparent. That is why some folks call them ghost opals - they disappear in clear boro and flash all that rainbow of fire. Its a really cool effect and great for putting the "fire" in the glass and less emphasis on the shape of the opal.