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  • Queensland Bauxite: South Johnstone Bauxite Confirmed As Gibbsitic 0 comments
    Jul 17, 2014 12:23 AM

    Queensland Bauxite (ASX:QBL) has revealed that bauxite from South Johnstone in Queensland consists of gibbsite of between 36-48% level.

    This is significant as the gibbsite mineral readily dissolves at low temperatures and pressures at the alumina refinery stage (the Bayer process).

    Hence it is easier and less costly to process at low temperature than non-gibbsitic bauxite.

    XRD testing (XRD) results were received from selected drill samples from the South Johnstone bauxites which were found to be predominantly gibbsite with lesser amounts of iron/titanium oxides, clay minerals and quartz.

    By way of comparison, Weipa bauxite consists mainly of 55% aluminium trihydroxide (also called gibbsite).

    Proactive Investors Australia is the market leader in producing news, articles and research reports on ASX "Small and Mid-cap" stocks with distribution in Australia, UK, North America and Hong Kong / China.

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