Blar i NGU Open Archive på emneord "ANDALUSITT"
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Utilisation of sillimanite minerals, their geology, and potential occurrences in Norway - an overwiev
(NGU Bulletin (436), Journal article, 2000)The aluminium-silicate polymorphs sillimanite, andalusite and kyanite decompose to a mixture of mullite and silica glass during calcination. Mullite is an essential component of high-alumina refractories forming the inner ...