①Interpret the history, culture, and gemological characteristics of various gemstones, master the core sales skills, and help the sales staff to better tell stories to endow the gems with cultural value and create greater profit space.

②The basic gemological properties, treatment method, color, cut, and quality evaluation factors of the eight varieties of gemstones are explained in detail, and a complete gemstone knowledge framework is systematically established to help students master the skills of grading and identification.

③The course will integrate with the mining area closely, share the original mining process, understand the mining industry chain, and better evaluate the value of gemstones.

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Online-teaching, you can choose to have your courses any places at your convenience

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