Rocks and Minerals of The World

Diamonds are used to make jewelry. It is also used to cut, grind and bore into other hard materials.

Diamond is the hardest mineral in nature. Most of the Earth’s natural diamond deposits are found in Africa.

Silver is precious metal that has been used for many years to make fine pieces of jewelry, coins and utensils.

Silver has the highest electrical conductivity of all the elements. Silver was one of the first metals discovered by ancient peoples.

About 78% of gold consumed each year is made into jewelry. Gold is used in connectors, switch and relay contacts, soldered joints, connecting wires and connection strips

Gold is shiny, soft and dense. Gold is the most malleable of all metals. It can easily be beaten into thin sheets or other shapes

Aluminum is globally the most used metal that does not contain iron. One of the most popular uses of aluminum is packaging.

Aluminum is a silvery-white, soft, nonmagnetic, ductile metal. It is the most abundant metal found naturally on Earth.

Marble is used as an artful rock. The stone is particularly popular among sculptors especially the white varieties.

Marble is a metamorphic rock. Marble usually lays among the oldest part of the Earth’s crust.