Siderite is a widely distributed mineral. It is composed of ferrous carbonate. When the impurity of siderite is not so much, it can be used to refine iron ore. Siderite is a thin layer with shale, clay and coal together. Siderite is generally crystal granular or non-crystal dense block, globose and gel. Color is generally white or yellow white, brown or brown black after weathering etc. Siderite also can be turned into limonite caused by oxidation hydrolysis.

As a kind of traditional mineral resources, Siderite (FeCO3) has long been used for smelting iron and steel. Further research in recent decades shows that siderite can produce magnetic minerals after heat treatment, and change of decomposition products is very complex, also show a series of abnormal magnetic phenomena. The main product of the siderite thermal decomposition has great potential application value, which is gradually attracted people's interest. Magnetite is mainly composed of Mg bearing hydrothermal metasomatism of dolomite and ultrabasic rocks. Moreover it also has the sedimentary type. Siderite has two types of sedimentary and hydrothermal.


Thermal decomposition products from the siderite have potential application value. Based on the characteristics of magnetic material resulting in high temperature decomposition, we have developed a completely new type of magnetic ceramics for daily use. The main characteristics of the ceramic are that the presence of magnetic minerals is uniformly distributed in green body, which can display the magnetic. Due to thermal remanence, siderite can retain for a long time. Therefore it can be used as magnetic health products, such as cup magnetization, magnetic storage device and magnetic bathtub as well as the production of agricultural products and flower cultivation carrier and water pipelines, and health building materials etc. As further deepen the study, there may be structural ceramics and functional ceramic materials.

Formation and distribution of siderite

Formation of siderite mainly has two kinds of cases. The first is external cause. Siderite is from sedimentary rocks: these layered clastic sedimentary rocks are mostly with biological organic components such as (black) shale, coal and so on. In other words, siderite is formed under hypoxic conditions; secondly, it is formed in hydrothermal veins at low temperature: siderite is common in Meta sedimentary rocks, which is the formation of hydrothermal deposits after the gangue minerals. In addition, siderite may also appear in pegmatite.

The world famous places of siderite production are Poland, Czech, Bohemia, Germany's Harz Mountains and Freiberg, French Lorraine, British Cornwall, Beira Portugal, most states of America and so on.

Mining process of siderite in Philippines

In the mining process of siderite, jaw crusher, cone crusher, impact crusher and grinding machines are necessary. Also some ancillary equipment is needed, such as vibrating feeder. Jaw crusher is used for crushing the stones at the first stage. It can deal with the big size and hard stones. Cone crusher and impact crusher are used for the second stage crushing. In a reasonable plant, those machines are used at the proper position. In Philippines, there are many suppliers and manufacturers of those mining machines, which may come from all around the world. Shanghai SBM is one of them. It is a professional manufacturer and supplier of mining equipment in China and it has traded with more than 170 countries in the world. It has its subsidiary in Philippines. The market of SBM is great in Philippines.

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