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Sui manganese ore and crystal #90926686
Description
Sui manganese ore and manganese carbonate mineral crystal, the composition is Mn[CO3]. Often contain iron, calcium, zinc and other elements. The crystal belongs to the three - crystal system, and the crystal form of the rhombohedral crystal is rare. Often pale rose red, black brown surface oxidation. Glass luster. Complete cleavage of rhombohedral. Mohs hardness 3.5 ~ 4.5, the proportion of 3.6 ~ 3.7. It can be formed under hydrothermal, sedimentary and metamorphic conditions. In Guizhou, Hunan and Northeast China, there are a large number of manganese ore deposits. It is an important mineral raw material for extracting manganese. Bright color, transparent manganese carbonate can be used as low-grade gems and craft decoration materials.
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