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Diamond & Diamond Grading Over 450 Questions and Correct Answers. Complete Solution 2024
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Diamond & Diamond Grading Over 450 Questions and Correct Answers. Complete Solution 2024 Angle of reflection The angle between the normal and a reflected ray of light. (Assignment 8) Annealing Using heat to stabilize irradiated color in gemstones. (Assignment 12) Appraisal An estimation of ...
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