The drilled titanium quartz pendant stone is about 25 - 35mm in size.
The naturally grown rock crystal points have a bore of approx. 2.5mm and were vaporized with titanium, which makes them shimmer darkly in all rainbow colors.
Sometimes the colorful titanium quartz is also called rainbow quartz or aura quartz in wholesale.
The coated natural crystals are also popular for men to wear.