gems, corundum, inclusions.5, rutile silk, primary rutile

In the final part of a year-long series for Gems&Jewellery, Billie Hughes of Bangkok-based gem testing lab, Lotus Gemology, shares pairs of photographs that, when placed side-by-side, reveal the full story of an inclusion or treatment. In this issue, we delve deeper into rutile inclusions in ruby and sapphire...