Celestine Celestine crystals are characteristically pale blue and heavy. It is found mainly in limestones and other sedimentary rocks. It can also form during evaporation in arid areas and can be a secondary mineral in some metallic ore deposits. Celestine is found in...
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...
Beryl Beryl is a hard transparent and durable mineral. The main four varieties include aquamarine, heliodor, morganite and emerald. Beryl is found in South Africa, Zimbabwe, Namibia, and Swaziland. The colour spectrum ranges from Colorless to, green, blue, yellow,...
Barite (Baryte) Barite is a fairly common mineral that may superficially resemble calcite. It is usually found as a colourless mass but may form prismatic or tubular crystals or may be found to form granular aggregates. Barite is found in South Africa, Namibia,...
Mimetite Mimetite is a secondary mineral which is found in lead deposits where it forms during the oxidation process of the lead. Deposits have been found in South Africa, Namibia and Zimbabwe. Mimetite is known to be found in yellow, blue, brown and yellow mixed with...