siderite on gold processing
Siderite is a mineral composed of iron(II) carbonate (FeCO 3)It takes its name from the Greek word sideros, iron It is a valuable iron mineral, since it is 48% iron and contains no sulfur or phosphorus Zinc, magnesium and manganese commonly substitute for the iron resulting in the sideritesmithsonite, sideritemagnesite and sideriterhodochrosite solid solution seri.