pyrite (CHEBI:86471) - Chemical Properties of Minerals - The Mineral and Gemstone ...
" due to the blood red color of the mineral when in a powdered state. The reason the planet Mars appears red is due to its own high content of Iron compounds which have formed iron oxide (a type of rust ...Jun 28Industrial Germanium dioxide contains 34.97 g of iron and 15.03 g of oxygen.The Hematite Group is a more or less informal group of closely related trigonal oxides.Their relationship is linked through their similar structures. The general formula for this group is A 2 O 3. The A cations can be either iron,
