This lovely cactus amethyst cluster from Brazil has some white quartz Druzy fromed ontop of a first generation of blue quartz stalactie formations. The lovley blue colour is showing through the white quartz in places, giving a soft enchanting colour. Blue is one of the rarest colours to be found in quartz. This cactus quartz cluster is quite a small/medium size, measuring 6.5cm x 5cm x 2.2cm