Magnesita sells minerals for various industrial applications:
The agalmatolite mainly consists of two aluminum phyllosilicates: pyrophyllite and muscovite. This mineral is usually applied in the ceramic, refractory, and pulp industries.
Chromite is used by the metals industry in the production of iron alloy and stainless steel. In the chemical industry, it is applied as a catalyst, corrosion inhibitor, and pigment. Refractories use it as a basic component in the production of refractory bricks and more recently as sand in casting processes.
Grogs are aluminum silicates. They have alumina content among the clays and bauxites content. They are mainly used by the refractory industry.