7 Nov 2020 — image-sa-1048114-1000000-17958. mp4 | Videos & Movies on Vimeo. Join. NATURAL SRI LANKA LOOSE GEM - Blue Sapphire - cresla
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The video is used by Cresla Gems to showcase a specific loose gem, typically a . Key Product Details Featured in the Content: 7 Nov 2020 — image-sa-1048114-1000000-17958
: Natural Sri Lankan Blue Sapphire (variety of Corundum). NATURAL SRI LANKA LOOSE GEM - Blue Sapphire
: 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 is a standard industry practice for sapphires.