Gemstone Geographic Origin Determination with special reference to Blue Sapphires

Quote from Educational Articles:
Criteria used in determining country of origin of blue sapphires Identification of inclusions is the first criterion used by gemologists in determining the country of origin of a blue sapphire.The presence of inclusions that are unique to certain sapphire producing regions, can be easily used in identifying the source, eg. the presence of needle-like pargasite […]The post Gemstone Geographic Origin Determination with special reference to Blue Sapphires appeared first on Internetstones.COM.