Causmag magnesium oxides are derived from high purity natural magnesites from our mining operations at Thuddungra near Young, NSW Australia. The magnesites are cryptocrystalline with small crystallite size - high density and very high purity.

Blue Grass specializes in aqueous inorganic metal salt solutions and makes some precipitated products along with performing extensive toll manufacturing for other companies. Metal salts are a field in which Blue Grass is a recognized leader.