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Industrial Mineral Resources In Sri Lanka Manufacturing

Sri Lanka - Sri Lanka - Industry Sri Lankas mineral-extraction industries include mining of gemstones and graphite excavation of beach sands containing ilmenite and monaite and quarrying kaolin apatite quart sand clay and salt. Among them gem mining is the most important producing high-value gemstones such as sapphire ruby and topa in addition to a variety of semiprecious

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