This is an extra large, high quality deep purple spirit quartz cluster from Boekenhouthoek, South Africa. Most spirit quartz is found in light purples, yellow citrines or white. The rarest kinds found to date are deep purple, and even rarer still, smoky, almost black spirit quartz. This piece measures approximately 17.75 cm x 10 cm x 6.3 cm and weighs 850g.