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Iron carbonate (FeCO3), or siderite from the Greek sideros meaning iron, is a major source of ore for steel-making being usually low in sulphur and phosphorous, and high in manganese and/or magnesium. This mineral is...
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Tag Archives: Hydrothermal Mineral

January 2010 – Siderite

Iron carbonate (FeCO3), or siderite from the Greek sideros meaning iron, is a major source of ore for steel-making being usually low in sulphur and phosphorous, and high in manganese and/or magnesium. This mineral is able to assume almost any colour but commonly brown, yellowish-brown, or grey specimens can be found. It occurs in Britain’s [...]
By admin on January 6, 2010 | Leave a comment

December – Galena

Galena, or lead sulphide (PbS), is a shiny grey mineral and the main ore of lead. Also known as Silver-Lead, it can be found in Carboniferous and Palaeozoic rocks around the world. In Britain it is found in Derbyshire, Wales, Upper Teesdale, Weardale, Cornwall, Cumbria, and the Yorkshire Pennines. Use of this mineral can [...]
By cliff.rigg on December 1, 2009 | Leave a comment