Sri Lanka : a major player in the production of corundum and semi-precious stones
This island produces a great number of sapphires, rubies, tourmalines, garnets and the like that are on the market.
However, the quality of the gemstones extracted on the island is often insufficient, which leads producers to treat most of them. Occasionally though, there are lucky finds. For this reason, the region is still of interest to some prospectors.
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