: Heated to enhance color and lustre, which is a standard industry practice for sapphires.
: Natural Sri Lankan Blue Sapphire (variety of Corundum). 17958mp4
: High lustre, good clarity, and a "Royal Blue" color, which is the most sought-after sapphire shade. Technical Specs : Hardness : 9 on the Mohs scale. Refractive Index : 1.759–1.778. Chemical Composition : Al2O3cap A l sub 2 cap O sub 3 : Heated to enhance color and lustre, which
The video is used by Cresla Gems to showcase a specific loose gem, typically a . Key Product Details Featured in the Content: and a "Royal Blue" color