A gem merchant in Nivithigala has found a blue sapphire in the shape of Sri Lanka. The gem merchant Rohan Wasantha Dissanayake of NIvithigala said he bought it from a gem miner in the Karavita area.
The world's largest blue sapphire corundum was found in Sri Lanka and weighed in at a hefty 42 kilograms. The company that owned the sapphire cut it into several chunks, including a 17 kilogram ...
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