Flourite Massage Stick - 10cm. Fluorite (also called fluor-spar) is a mineral composed of calcium fluoride. As well as ornamental uses Fluorite is used in the making of hydrofltoric acid and as a flux in the manufacture of steel. The name fluorite is derived from the Latin fluo meaning flow in reference to its use as a flux. Beautiful to its use as a flux. Please Note: Pictures are for illustration purposes only. Colours and sizes may vary based on availability.