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Shanghai Cooper Sapphire Course Training Time

The training period is from late March to May 8th, and from June 10 to 1 1.

According to today's headline data, the training time of Shanghai Cooper Gem Course is: from late March to May 8, from June to 1 1, and from late September to 1 65438+1October 27. The training content includes practical techniques of gem identification, mineralogical theory, the cause and luminescence of gem color, gem inclusions and other professional knowledge.

Cooper's gemstone appraisal institute has become the most authoritative gemstone appraisal institution in the world, and the gemstone appraisal report issued by the laboratory has high credibility. Many well-known auction houses (Sotheby's, Christie's, etc. ), members of the royal family, gem dealers and collectors all trust Cooper's certificate.