Exam (elaborations)
GIA Colored Stones Assignment 27: Organics and Collectors' Stones Questions with well explained answers
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Gems derived from plants or animals are called _____________ gems. - Answer-organic _____________ threatens the existence of some of the species that jewelers, artisans, and craftspeople have used in the past to create jewelry. - Answer-extinction in _________, concern over many threatened or en...
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