17958mp4 File

: 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

: Natural Sri Lankan Blue Sapphire (variety of Corundum). 17958mp4

The video is used by Cresla Gems to showcase a specific loose gem, typically a . Key Product Details Featured in the Content: : High lustre, good clarity, and a "Royal