Vermiculite is a layered structure of water magnesium aluminum silicate secondary metamorphic minerals, like mica ore outside, usually black (K) by hydrothermal biotite alteration or by weathering, because heat loss When expansion was Flexure-like shape similar to leech, so that vermiculite
This member assumes full responsibility for the content of this listing. DIYTrade accepts no responsibility whatsoever in respect of such content. To report fraudulent or illegal content, please click here.