coltan columbo – tantalite ta – nb In the early 2000s tantalum a rare metal with some unique properties that make it an important raw material for information and communication technologies It is among the group of minerals used in the refractory industry and is characterized by a high melting point and strength at high temperature
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Get PriceSeis Lagos Property at the Amazonas State is the world’s largest niobium reserve of 2897Mt 281 Nb 2 O 5 or 81Mt of Nb 2 O 5 and possibly a very large titanium and rare earths deposit click the picture to enlarge
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Get PriceIndustrially suitable niobium ore from which it is costeffective to obtain niobium concentrates contains at least 015 to 020 wt Nb 2 O 5 In the richest niobium ores known in the world the Nb 2 O 5 content may reach up to 1 to 4
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Get PriceTARANTULA PROJECT The TIC is been part of a consortium of 16 organisations to be awarded funding to study innovative new ways to recover niobium Nb tantalum Ta and tungsten W from mine byproducts and processing waste streams materials which are currently considered to be uneconomical
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