Grade A Uruguayan Standing Amethyst Crystal Quartz 2.5”by 2.5” Amethyst is a violet variety of quartz. The name comes from the belief that the stone protected its owner from drunkenness. It helps in promoting good health on all fronts - physical, mental and spiritual. Measurement 2.5" x 2.5" MOHS Hardness is 7.0 Color Purple (Just as shown in photos) 053125