Clay: Hydrated aluminum silicate, with the most common of the groups being of the kaolinite and montmorillonite. The clays are usually associated with other materials/minerals, such as: organic matter, soluble salts, quartz, feldspar, carbonates and silicates. Brasilminas provides clays in the colors: cream, green and pink.
Main applications: handicraft, ceramics, civil construction, cosmetics, filtration, foundry, geotherapy, materials for waterproofing, pharmaceutical, chemical, refractories, steel mills, paint, etc.
Granulometry / Mesh: 200 and 325.