LARGE crystals of corundum have been grown for many years by the flame-fusion process originated by Verneuil 1. Crystals coloured by small amounts of chromium, titanium, vanadium and other ...

THE three works cited below give much new and valuable information concerning the mode of occurrence, the processes of mining, and the uses of corundum. As the mineral is of growing economic value ...

In its most precious variants, corundum forms rubies and sapphires because of traces of chromium, iron, or titanium. However, material scientists are not that interested in it as a gemstone. Because ...

We're back in the museum for this week's episode of Mineral Monday to learn about the mineral corundum. While you may not know the mineral itself, you definitely know two of its crystal structures.

The model suggests that nanometer-sized corundum can be formed in conditions that are radically friendlier to the environment. The success of the German-Polish group turned out to be so significant ...