Browsing by Subject "natural Ruby"
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Powder XRD Study of Gem Quality Corundum (Alpha-Al2O3): A Qualitative Method to Identify Synthetic and Natural Corundum (Geological Society of Sri Lanka, 2015)Differentiation of synthetic and natural gemstones is a chief concern for gem dealers and major jewellery importers. Natural corundum is a precious stone and, one of the most important exports of Sri Lanka. Corundum (α – ...