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NewWorldGems
AUSTRALIAN Black Opal Clasp Moon Design Sterling Silver 7x9mm
AUSTRALIAN Black Opal Clasp Moon Design Sterling Silver 7x9mm
Regular price
$58.99 USD
Regular price
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$58.99 USD
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This is a stunning Andamooka Australian Black Opal with green and blue fire, measuring 7x9mm and set in our own .925 sterling silver clasp. The overall size is approximately 31x11mm, the perfect finish for your necklace or bracelet design! It is called "concrete Opal" because it resembled concrete with small specks of opal among the grains prior to a unique process to elevate the sparkle. It is a porous quartzite host rock in which water has turned to opal, deposited among the quartz grains millions of years ago.