Namakwa Sands Smelter P.O. Box 435 Vredenburg 7380 South Africa Phone +27 0 22 701 3911. Ilmenite, natural rutile and zircon are transported to the Smelter by rail from an open pit mine and concentration plant in Brand se Baai.
Spinel Mineral information, data and localities. Mindat
Spinel Hercynite Series, Gahnite Spinel Series, and the Magnesiochromite Spinel Series. Intensely coloured varieties due to the incorporation of various impurity elements. A few spinels from Sri Lanka can show an alexandrite colour change effect.