Corundum

Corundum

Corundum Corundum is a crystalline form of aluminium oxide typically containing traces of iron, titanium, vanadium and chromium. It is a rock-forming mineral. It is also a naturally transparent material, but can have different colors depending on the presence of...
Clino-Zoisite

Clino-Zoisite

Clino-Zoisite Clinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca₂Al₃O. It forms a continuous solid solution series with epidote by substitution of iron(III) in the aluminium and is also called aluminium epidote. Clino-Zoisite is found in...
Chalcedony

Chalcedony

Chalcedony Chalcedony is a cryptocrystalline form of silica, composed of very fine intergrowths of quartz and moganite. These are both silica minerals, but they differ in that quartz has a trigonal crystal structure, while moganite is monoclinic. Varieties of...
Buddstone

Buddstone

Buddstone Buddstone is a trade name for a mottled green stone related to Verdite. Buddstone is sometimes called “South African Jade” as it is only found in that location.  Buddstone is only found in South Africa in the Eastern parts of the country around Barberton and...
Apatite

Apatite

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...