Quartz is a silicon dioxide crystal and a hexagonal structure. It is one of the most abundant minerals on earth, found on every continent and comprises a family with many other stones such as Amethyst and Rose Quartz.
Quartz has long been the focus of various beliefs and folklore around the world, from Japan to indigenous tribes of North America. It is known to be an excellent conduit for amplifying intentions, enhancing ones' memory, healing and cleansing. It is one of the most versatile stones. Unlike other stones, it is mutable and can be "programmed" to have certain properties. It is emotionally neutral and encourages clarity on all levels.
The double termination of naturally double terminated crystals have double spiral growth patterns which allows energy to flow in both directions. single terminated crystals cut into double terminations will only flow energy one way. These amethysts were cut to be double terminated so their energy will only flow one direction.