Bauxite is an ore of _____?

Bauxite is an ore of _____?

باکسائٹ _____ کا ایک ایسک ہے؟
Explanation

Bauxite is the most important ore of aluminum which contains only 30–54% alumina.

The rest is a mixture of silica, various iron oxides,

and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc.