Iron ore
Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, or deep purple to rusty red. The iron is usually found in the form of magnetite
Read more
Aluminum Metallic Minerals
The main minerals of gibbsite in bauxite are (al203.3h20), boehmite (al203.h20), and diaspore, which are regarded as the same composition of boehmite, but with density and difficulty. Pure aluminum, alumina (Al203) anhydrous oxide, containing 52.9% aluminum and 47.1% oxygen. Bauxite can be as hard and soft as stone or mud, and it may occur in compacted soil (including fragile, re cemented), (pisolites) pellets, or hollow, branched material (tubes). It can be light yellow, pink, yellow, red, or white, or any combination.
Read more