Category: MINERALS

CHALCOPYRITE [Copper Iron Sulfide]

CuFeS2, copper iron Sulfide [Major ore of copper] Chalcopyrite (or copper pyrite), looks like, and is easily confused with pyrite, FeS2. Chalcopyrite is one of the minerals refered to as “Fool’s Gold” because of its bright golden colour. But real gold is a more buttery yellow and is ductile and malleable. As an ore od

SPODUMENE [Lithium Aluminium Silicate]

[ Silicates : Inosilicates : Pyroxenes ] LiAlSi2O6, lithium aluminium Silicate Spodumene is a rock forming mineral in granites and pegmatites that bear other lithium minerals. Spodumene is a relatively new mineral to science, being discovered in the last three centuries and gem varieties have only been discovered in the last 120 years. Transparent deeply

DOLOMITE [ Carbonates : Dolomite ]

CaMg(CO3)2, calcium magnesium Carbonate In some cements, as a source of magnesium and as mineral specimens Dolomite, which is named for the French mineralogist Deodat de Dolomieu, is a common sedimentary rock-forming mineral that can be found in massive beds several hundred feet thick. They are found all over the world and are quite common