The gobstopper-sized beads of the 1980s are back on the necks of jewellery lovers. These aren’t a string of your grandmother’s pearls, but ultra-sized coloured gemstone balls. The bigger ...
Raman spectroscopy confirmed that the stones were kornerupine. All three beads exhibited a high metallic luster with silver and bronze coloration, which is not typical for kornerupine. Under ...
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