Many are buying lead-glass filled rubies over the Internet/jewelry television channels as natural + these modified rubies are being offered for a few dollars a carat by many dealers and jewelers + they are also found at the mines and trading centers in Southeast Asia/South Asia/Africa + many have no skills identifying these disguised rubies. Please refer to the following for more information.
- AGTA Gemstone Update: Lead Glass Fracture Filling
- GAAJ: Lead-Glass Impregnated Ruby
If in doubt, always consult a reputed gem testing laboratory.
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