Exam (elaborations)
GIA Diamonds and Diamond Grading 18,19 & 20 | Questions with 100% Correct Answers | Verified | 21 Pages
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Some diamond simulants display "see-through" because, compared to diamond, they A. display less fire. B. have lower hardness. C. can't be polished as well. D. have much larger critical angles. - have much larger critical angles. Which of the following is a natural gem? A. YAG B. GGG C...
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