what minerals are found in Chhattisgarh?

Chhattisgarh is rich in minerals. It produces 20% of the country's total cement produce. It ranks first in the nation for coal production and second in reserves, third in iron ore production and first in tin production. Limestone, dolomite and bauxite are abundant. It is the only tin-ore producing state in the country. Other minerals include corandum, garnet, quartz, marble, alexandrite and diamonds.