GIA’s field gemologist shows how to examine a sapphire crystal for cracks and inclusions, which can be healed through heating with a chemical flux before the stone is cut.
Examining a Rough Sapphire
Examining a Rough Sapphire
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GIA’s field gemologist shows how to examine a sapphire crystal for cracks and inclusions, which can be healed through heating with a chemical flux before the stone is cut.
Examining a Rough Sapphire
Examining a Rough Sapphire
Loading video player...
