Minerals.net
Variety of Amethyst

Amethyst Quartz

Mixture of Amethyst and Milky Quartz (or clear Quartz). It is purple on top and white or clear on the bottom. It may also be banded purple and white. Amethyst Quartz is usually tumbled or polished into beads.

See the full Amethyst page for properties, photos, and additional varieties.