кварц бөмбөлөг тээрэм-д андра прадеш. Ilmenite also known as Manaccanite is a titanium-iron oxide mineral with the idealized formula FeTiO 3 It is a weakly magnetic black or steel-gray solid From a commercial perspective ilmenite is the most important ore of titanium . нунтаглах болон андра дахь нунтаглах тээрэм Андра ...
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