The various spar minerals were a historical term among miners and alchemists for any nonmetallic mineral akin to gypsum, known in Old English as sp�rstn, " spear stone ", referring to its crystalline projections.
12.
Rotary dryer is suitable to dry metallic and nonmetallic mineral, clay in cement industrial and coal slime in coal mine, etc . Rotary dryer can be widely used to dry various materials, and it is simple to be operated.
13.
The Linhai Industrial Park, established in Kaohsiung in 1960, is a well-developed industrial zone with over 490 companies focusing on other industries including base metals, machinery and repairs, nonmetallic mineral products, chemical products, and food and beverage manufacturing.
14.
St . Louis is also the nation's third-largest railroad hub, moving everything from fertilizer, gravel, crushed stone, prepared foodstuffs, fats, oils, nonmetallic mineral products, grain, alcohol, and tobacco products to motorized vehicles and parts.
15.
St . Louis is the nation's third-largest freight rail hub, moving Missouri exports such as fertilizer, gravel, crushed stone, prepared foodstuffs, fats, oils, nonmetallic mineral products, grain, alcohol, tobacco products, automobiles, and automobile parts.
16.
It also accounts for 80 percent ( 80 % ) or 34 million metric tons of the region's nonmetallic mineral deposits which include high grade white and red clay, gold, chromite, copper, serpentine, manganese, quartz and limestone deposits can also be found in the province.