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Gem Identification 13 Exam Questions & Answers
Gem Identification 13
Gem Identification 13
Gem Identification 13 Exam Questions & Answers The most widely known transparent purple gem is - ANSWERSamethyst quartz You would identify a transparent, deep pink, DR gem with an RI of 1.62 to 1.64 and a birefringence of 0.020 as - ANSWERSPink tourmaline Garnets don't show birefringence or pleochroism because - ANSWERSthey're SR Like natural corundum, both flux and hydrothermal synthetic corundum might display - ANSWERSAngular growth features You would identify an opaque,...
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