Vermiculite in the end what color is good, my how like false?
Because vermiculite has the ability of ion exchange, it has a great effect on the nutrition of the soil. In 2013, the world's total output of vermiculite exceeded 500 thousand. The major producers are China, South Africa, Australia, Zimbabwe and the United states. Vermiculite is a kind of clay mineral similar to montmorillonite, which is a layered structure of silicate.
Vermiculite is a natural, non-toxic mineral that expands at high temperatures. It is a relatively rare mineral, belonging to silicates. Its crystalline structure is monoclinic, and it looks like mica from its appearance. Vermiculite is produced by hydration of certain granite. It is commonly produced with asbestos.
Usually from biotite to hydrothermal alteration or weathering. It sometimes appears as large biotite (this is the biotite illusion of vermiculite) and sometimes becomes slightly soil like. When the vermiculite is heated to C, it expands 20 times and bends. This is a bit like vermiculite leech (Hirudo, commonly known as the leech) so it has such a name. Vermiculite is usually brown, yellow, dark green, oil like luster. When heated, they turn gray. Vermiculite can be used as building material, adsorbent, fireproof insulating material, mechanical lubricant, soil amendment, etc..
