Onyx is chalcedony quartz. Most Black Onyx that is commercially available today is colour enhanced (heated and dyed) to increase its depth of colou...
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Black onyx drop pendant 18x13mm - Hole: 1mm (1)
Green onyx pendant clover cross shape 18mm - Thickness 2mm - hole: 1mm (1) lazer cup pf a perfect shape
Faceted cube bead heated blue onyx 7x7x7mm (2)
Onyx is chalcedony quartz. Most Black Onyx that is commercially available today is colour enhanced (heated and dyed) to increase its depth of colou...
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Onyx is chalcedony quartz. Most Black Onyx that is commercially available today is colour enhanced (heated and dyed) to increase its depth of colou...
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Since ancient times, most Black Onyx on the market has been artificially coloured to produce the colour we have today. Black Onyx is the birthstone...
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Cabochon Round Natural Green Onyx 12mm (1)
Onyx is chalcedony quartz. Most Black Onyx that is commercially available today is colour enhanced (heated and dyed) to increase its depth of colou...
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Carved ginko leaf pendant in green onyx 22x16mm - Hole: 1mm (1)