| 31. | Non-metallic mineral prices dropped 0 . 2 percent.
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| 32. | The mining and metallurgic industry includes the extraction, foundry and refining of metal and non-metallic minerals.
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| 33. | The most important mines in Iran include coal, metallic minerals, sand and gravel, chemical minerals and salt.
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| 34. | Crookesite is an opaque, bluish grey to pink toned brown metallic mineral crystallizing in the tetragonal system.
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| 35. | Metallic minerals include gold, nickel and silver.
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| 36. | The beverage sector and non-metallic mineral products sector also rose by 25.7 % and 4.4 % respectively.
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| 37. | Only makers of food and non-metallic mineral products such as glass, ceramnics and bricks said production fell.
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| 38. | He said he " was " rich because he owned a company that mined for non-metallic minerals.
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| 39. | Meanwhile, precious metal prices fell 6 . 4 percent, while metallic minerals prices declined 3 . 2 percent.
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| 40. | Non-metallic mineral prices dropped 0.2 percent.
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