What material is vermiculite?
Vermiculite is a mineral associated with silicates and asbestos. Having a mica like layer structure. It can improve the soil nutrition, and is often used as a high-quality flower cultivation soil
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. Because vermiculite has the ability of ion exchange, it has a great effect on the nutrition of the soil.
Vermiculite is a natural, non-toxic mineral that expands at high temperatures. It is a relatively rare mineral, belonging to silicates.
