Lingshou County Zexin Mineral Products Trading Co., Ltd. is a processing and sales as one of the large mining enterprises, the main production and sales: Emery, brown corundum, emery wear-resistant floor materials, luminous stone, quartz sand, colored stone, mica, vermiculite, pebbles, kaolin, rock flakes, tourmaline, volcanic stone, colored sand talcum powder and other products professional production and processing company, has a complete and scientific quality management system. Lingshou County Ze Xin mineral products trading Co., Ltd. integrity, strength and product quality recognized by the industry. Welcome friends from all walks of life to visit, guidance and business negotiation. 15076162966
Pyrite, alias pyrite, pyrite, pyrite, molecular formula is fes2, molecular weight is 120, pyrite is an important chemical mineral raw materials, mainly used in the manufacture of sulfuric acid, specific gravity 4.95-5.20. Hardness 6.0 -- 6.5, the stripe is green and black, brittle, it is easy to break when it is beaten, the broken surface is uneven, and there is a blue flame and pungent smell of sulfur when it is burned.