We are offering naturally produced Silica Mineral in granular and fine powdered form with a purity of up to 98 percent. These minerals are crystalline in nature with a quite regular internal structure. The offered substances have a high melting point of 1610 degrees Celsius. They are commonly used in the production of metal castings due to their capability to bear the extreme temperature of molten metals.Silica Mineralcan also be used in the manufacturing of glassmaking as they give a vitreous luster. These foundry materials can be delivered to our customers in bulk within sealed packages.