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GIA Colored Stones Assignment 21: Tanzanite, Iolite, Chrysoberyl, and Andalusite EXAM |Questions Solved 100% Correct| Verified Answers
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Tanzanite was discovered in... - ANSWER 1967 Tanzanite is a transparent variety of... - ANSWER zoisite All the gems in this chapter share the optical property of _______________________. - ANSWER pleochroism The first tanzanite was discovered in North Tanzania in __________. - ANSWER Merelani ...
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