This an Amethyst from Guerrero, Mexico. Amethysts from Guerrero are known for their particular formation that you won't find anywhere else in the world. It has a long tapered crystal that will usually have secondary crystals forming a "sprouting" or "Kundalini" formation. This is a cute little specimen that has two main crystals on the top growing together. There are also two smaller crystals growing at the bottom which make it present nicely.
This piece measures approximately 4.7cm x 2.3cm x 2.3cm
