ANDALUSITE - Imerys Refractory Minerals - The global ...
Andalusite is an alumino-silicate mineral commonly found in metamorphic rocks. Andalusite presents three main properties. Andalusite is a prismatic and anhydrous crystal. Andalusite is a high purity mineral. Andalusite transforms into mullite at low temperature, between 1200 and 1550°C for micronized grades.
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