Analcime Analcime or analcite is a white, grey, or colorless tectosilicate mineral. Analcime consists of hydrated sodium aluminium silicate in cubic crystalline form. Analcime can be found in Namibia. Chemical Formular : Na(AlSi2O6) · H2O Refractive Index : 1.479...
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...
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,...
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,...
Aragonite Aragonite is often found in caves and can be found in South Africa, Namibia and Zimbabwe. Many stalactites and stalagmites are composed of aragonite and when unstable may convert to calcite. Aragonite usually forms smooth but botryoidal masses referred to as...
