Gibbsite is a naturally occurring mineral form of aluminium hydroxide with the chemical formula Al(OH)₃. It is one of the principal constituents of bauxite, the primary ore used...
Diaspore is a naturally occurring hydrous aluminium oxide mineral, represented by the chemical formula AlO(OH). It belongs to the oxide class of minerals and is an important constituent...
Corundum is a crystalline form of aluminium oxide (Al₂O₃) and ranks among the most significant minerals in both natural and industrial contexts. Known for its extreme hardness, second...
Chalcopyrite is a copper iron sulphide mineral with the chemical formula CuFeS₂. It is the most important and widespread source of copper, forming the backbone of global copper...
Bornite, commonly referred to as “peacock ore”, is a copper–iron sulphide mineral celebrated for its brilliant iridescent tarnish that displays vivid blues, purples, and golds. It is an...
Malachite is a vibrant green copper carbonate hydroxide mineral, chemically represented as Cu₂CO₃(OH)₂. Known for its striking colouration and banded patterns, it is one of the most recognisable...
Azurite is a deep blue basic copper carbonate mineral, chemically represented as Cu₃(CO₃)₂(OH)₂. It is one of the most visually striking copper minerals, valued both for its vivid...
Cuprite is a copper oxide mineral with the chemical formula Cu₂O, representing one of the most important secondary copper minerals found in the oxidised zones of copper ore...
Sphalerite is a sulphide mineral of profound geological, industrial, and gemological importance. It is best known as the principal ore of zinc, but its many varieties, optical qualities,...
Smithsonite is a naturally occurring zinc carbonate mineral (ZnCO₃) that holds both historical and scientific importance as one of the principal ores of zinc. It is named after...
