Large plate of quartz matrix covered in a carpet of stubby crystals of amethyst from the Orange River area in the Northern Cape Province of South Africa. The crystals are almost milky at the base but become deeper and deeper purple as the terminations are reached. Excellent condition. Measures 12.75 x 6.5 x 4 inches (32.5 x 16.5 x 10.1 cm). FREE SHIPPING!