• ColtanWikipedia

    Coltan (short for columbitetantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted.

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  • ThailandiaScheda PaeseDe Agostini

    ThailandiaScheda PaeseDe Agostini Geografia: società, economia, lavoro, religione, moneta, risorse, governo, geopolitica, industria, PIL, turismo, giustizia

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  • Full text of "NEW"Internet Archive

    Search the history of over 304 billion web pages on the Internet.

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  • Journal of weekly news and commentaries

    Collection of weekly news and commentaries from John Betts, lecturer, author, photographer, mineral collector, and mineral dealer. Practical everyday advice for

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  • Mineral Specimens Search PageFabre

    Mineral Specimens Search Page Looking for a particular mineral?Then use our search facility. This checks our specimen catalog and gives you a list of the specimens

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  • Business To Business (b2b) Marketplace

    TradeKey Business to Business marketplace, B2B Marketplace, Import export marketplaceover 8,970,385 members, offers b2b directory, catalog & trade leads to

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  • Excalibur Mineral CorporationCurrent List

    Current List: Each month, we offer an abbreviated selection of minerals from our inventory of over 200,000 samples. If you don't see what you're

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  • Le Diamant et ses vertus en minéraux

    Découvrez les vertus du Diamant en minéraux thérapie (minérauxthérapie) et les bienfaits du Diamant sur la santé, la maladie et le mental

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  • Pour tous les passionnés de Minéraux et de

    le calendrier des salons et bourses de minéraux et de fossiles ; des petites annonces [gratuite pour les abonnés] ; des rubriques d'informations et d'actualités

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  • Outline of miningWikipedia

    Mining of specific minerals, by country. Bentonite production, by country; Bismuth production, by country; Feldspar production, by country; Fluorite production, by

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  • Our Service

    What you need is what we can do! In the future, Xinhai will continue to rely on three big supporting "technology, talents, management", adhere to the international development strategy, and concentrate on providing customers with modern, efficient, energy-saving mine overall construction and operational solution, to create international leading enterprises in mining industry.