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Vermiculite is a laminar-shaped magnetic hydraulic secondary metamorphic mineral. The original ore looks like Yunmu. It is usually mainly composed of black (gold) Yunnu. It is brown, yellow, and dark green, with an oil-like luster, turning into gray after heating. Vermiculite can be widely used as architectural materials, adsorption agents, fire-resistant insulation materials, mechanical lubricants, soil-modified agents, etc. Primary Purpose of Vermiculite Architecture: Putting the expansion vermiculite on the top of the building can play a good thermal insulation effect so that the building is warm in winter and cool in summer. The wall panel of high-rise buildings with vermiculite bricks can play a role in sound insulation, fire prevention, moisture-proof, etc., and can reduce the load of the building. Insulation and heat insulation: Vermiculite is used in the greenhouse, which has the characteristics of loose soil, good breathability, strong water absorption, and small temperatur...