| 21. | Numerous local operations were involved in smaller-scale industrial mineral production, especially the semiprecious gemstone sector.
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| 22. | It is an industrial mineral and a commercial product useful for its low density after processing.
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| 23. | Pakistan has a large base for industrial minerals.
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| 24. | Founded in 1970, Unimin is one of North America s largest producers of non-metallic industrial minerals.
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| 25. | The lone improvement for the half was in industrial minerals, such as borates and titanium dioxide.
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| 26. | In the 1960s, the company acquired an industrial minerals business, producing granite and limestone in Florida.
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| 27. | Andhra Pradesh has varied geological formations with a rich variety of industrial minerals and building stones.
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| 28. | Industrial Minerals was actually conceived in 1962.
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| 29. | Its product range includes essential energy minerals like lignite, base metals and industrial minerals like bauxite and flourspar.
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| 30. | Many other substances are extracted including titanium, asbestos, silver, magnesium, nickel and many other metals and industrial minerals.
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