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inclusions

Identifying Synthetic Gems

…natural quartz by its inclusions, such as liquid, bread crumbs, zebra stripes, two and three-phase inclusions, and negative crystals. However,…

Sapphire Buying Guide

…(very small inclusions) but still eye clean to SI (small inclusions), which may very well not be eye clean. In both instances, inclusions are…

Colored Stone Grading System

…VS – Very Slightly Included Minor inclusions that are easier to see using 10X, but still not visible to the naked eye. SI1 – Slightly…

Emerald Quality Simplified

…will have around 60% of the stone covered with some type of inclusions. AA- can’t have black inclusions but may show AA quality with some…