Friday, December 31, 2021

Gemology Hub`: Natural Sapphire Inclusions There are several type...

Gemology Hub`: Natural Sapphire Inclusions There are several type...: Natural Sapphire Inclusions There are several types of inclusions in natural sapphires. • Needles. These are mineral inclusions that are lon...
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Introduction quiz

💎 Gemology Quiz 1. What does gemology study? The study of rocks only The study of gemstones and their p...