Vermiculite :

   Vermiculite is a silicate material when heated to high temperatures, the formation of mica-like material. Rapidly losing its moisture in the heating process and swelling after the equivalent of 20 times the original volume. Increase ventilation so that the material porosity and water-holding capacity. Vermiculite can be used for flowers, vegetables and fruit cultivation, breeding areas. Except for pot and regulators, but also for soilless cultivation. The trees and plants as a nutrient seedbed primary commercial, and transportation is especially advantageous for transplanting plants. ...
    Mica :  
    I mica production plant products : Mica broken, another Muscovite mica plant characteristics of the natural products. Head main models are : 10-20, 20-40 Head, unidentified head, 80-120 head. Widely used in welding, coating, paint, pipe mortar, cement agent, plastics, asphalt, paper, oil field drilling, ornaments, cosmetics and other industries