Natural quartz can be treated to fuse a layer of titanium to the surface through a process called magnetron ionization, in which vaporized titanium and other metal oxides are bonded to the quartz. This results in mesmerizing coloring and a smooth metallic sheen.

Titanium-Plated Quartz
Brazil

Size: 3.13 x 1.63 x 1.5 inches
Weight: 3.35 oz.