Colored Gem Rough Analysis – Chinese

Through practical exercises and the use of field gemological tools, this immersive course is designed to give you a deep insight into the trading of colored gem rough.

About the Course

This product is currently out of stock and unavailable.

Colored Gem Rough Analysis – Chinese

Through practical exercises and the use of field gemological tools, this immersive course is designed to give you a deep insight into the trading of colored gem rough.

This product is currently out of stock and unavailable.

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