Synthetic sapphire boule produced by the Verneuil process on black background Stock Photo - Alamy
Verneuil 14x10mm 8K Starry BLUE SAPPHIRE... | eBay
Synthetic sapphire [SubsTech]
Verneuil Synthetic Corundum ID • Dangerous Curves • Lotus Gemology
VERY NICE HIGH QUALITY VERNEUIL ROYAL BLUE SAPPHIRE
Sapphire crystals grown by the Verneuil technique (courtesy of RSA Le... | Download Scientific Diagram
Verneuil Synthetic Corundum ID • Dangerous Curves • Lotus Gemology
Verneuil synthetic blue sapphire rough which has been tumbled, fractured and stained yellow to resemble natural rough. | Blue sapphire, Ruby sapphire, Gemstones