Some gemstones are crystals, such as amethyst, which is a variety of the mineral quartz and is often cut into gemstone form. Not all crystals get the gemstone treatment, however (just look at poor ...

New beginnings can be assisted by various crystals like Clear Quartz for clearing clutter, Amethyst for stress relief, ...

Amethyst geodes (some over 16 feet high ... researchers carried out a series of geological surveys analyzing geode minerals, groundwater and geode-hosted water in over 30 mines.