Israel
联系人 Mr. Amit
PO Box 3323, Trotola, BVI
Coltan (also columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium (formerly "columbium") and tantalum are extracted. The niobium-dominant mineral is columbite, hence the "col" half of the term. The mineral concentrates dominated by tantalum are referred to as tantalite.
国家: | Israel |
型号: | Tantalite |
离岸价格: | 获取最新报价 |
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