This data sheet demonstrates that the Epsilon 4 – a benchtop energy dispersive X-ray fluorescence (EDXRF) spectrometer – is exceedingly capable of assessing the purity of fluorite mineral samples that are prepared as fused beads.

Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF2 and is a widely occurring mineral found in large deposits. Fluorite is used as a flux in iron and aluminum smelting and in the production of certain glasses and enamels. The purest grades of fluorite are also a source of fluoride for the production of hydrofluoric acid, which is in turn used in the production of fluorine-containing fine chemicals and optically clear transparent fluorite lenses. In order to determine the individual applications for fluorite, the purity of the mineral must be quantified in an accurate way. Wet-chemical methods, including multiple digestion, precipitation and titration steps are traditionally employed for fluorite grading. These methods are notoriously time consuming and require the use of harmful chemicals by skilled laboratory staff. EDXRF analysis provides a useful alternative for classifying fluorite samples in a much faster, safer and cost-effective way.

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