Write the two important minerals of fluorine.

Write the important minerals of the following elements of d-block : titanium, cobalt, nickel, copper, zinc and silver.

Write two important minerals of calcium. Give their composition

Write names of two important minerals of phosphorus.

What are the important minerals of boron ?

Write four important minerals of potassium.

Write four important minerals of magnesium .

Write four important minerals of sodium and write their composition.

Write the name of two important ores of aluminum.

Write two important ores of aluminium.