High-Grade Bauxite

Bauxite (primarily gibbsite, boehmite, and diaspore) is the primary aluminium ore and a critical feedstock for the global aluminium industry. India holds the world's fifth-largest bauxite reserves, concentrated in Odisha, Andhra Pradesh, Gujarat, and Jharkhand.

Typical Grade Parameters

Parameter	Metallurgical Grade	Cement Grade
Al2O3	45-60%	35-45%
SiO2	3-8%	8-15%
Fe2O3	10-25%	15-30%
TiO2	2-5%	2-4%
Moisture	8-15%	10-18%

Applications

• Aluminium smelting — Bayer process alumina production for primary aluminium
• Refractory manufacturing — High-alumina bricks and castables
• Cement industry — Iron correction and alumina enrichment in clinker
• Abrasives and chemicals — Aluminium oxide derivatives

Reference: Indian Bureau of Mines bauxite statistics; Odisha accounts for over 50% of India's bauxite reserves.