Apatite Apatite is a mineral that forms the basis for a group of minerals namely Flourapatite, Mimetite, Pyromorphite and Vanadinite. There are 19 different species in the group. Apatite can be found in a wide variety of colours depending on which sub category it is...
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...
Amethyst Amethyst is found at many localities in Southern Africa. It is a mauve to purple variety of quartz. Its colour is the result of Fe3 ions being found in its atomic lattice. In many cases the mineral has the distinctive habit of forming prisms that except for...
Amazonite Amazonite also known as amazonstone is a green tectosilicate is a green mineral made from microcline. This gemstone was named after the amazon river where the mineral was originally discovered. The mineral is used to make statues, amulets and jewellery. The...
Agate Agates are characterized by multiple thin laminations of chalcedony that define distinct banding. many agates are found as amygdales in basalts and other volcanic rocks. Agates can be found in a wide spectrum of colours and can be found South Africa, Namibia,...
