Iron:)
Calcium is the most important mineral for healthy bones, especially for women.
Protien and Carbohydrates
Mineral are what are referred to as micronutrients. They are essential to every function of the body, especially at the cellular level. Two of the most important are sodium and potassium.
Calcium is the most important nutrient for the bones. It is especially important if you have osteoporosis. Some products that include a lot of calcium include milk and other dairy products, and in some vitamins and supplements.
The Atacama has mineral deposits that are important to the economy of Chile, especially of the metal copper, which provides export income to the country.
the mineral haematite is an important source of iron.
Carbonates are the second most important mineral group.
Pennsylvania's most important mineral is coal. Second is oil.
mineral oil
mineral
mineral
As a mineral commodity in relation to other mineral commodities, not especially so. To a manufacturer that depends on graphite and has no substitute mineral, it would be very valuable.