Calcite Calcite is one of the most common minerals in the world and is found in a variety of crystal forms. Calcite also occurs in massive lumps, granular masses and fibrous habits and forms stalactites and stalagmites. Calcite can be found in almost every colour...
Bornite Bornite is an important economic mineral which is mined for copper. The surfaces of the mineral are bright metallic purple mixed with orange, yellow and red. It is commonly known as “peacock ore”. Bornite is found in South Africa, Namibia,...
Tourmaline Tourmaline is the name given to a group of 14 minerals of which elbaite and schorl are the most common. Tourmaline can be found in South Africa, Namibia, Zimbabwe Mozambique and Swaziland. Tourmaline is found in a wide spectrum of colours ranging from...
