A sculptural specimen of quartz var. amethyst spheres growing in a cluster from Mamuju Regency, Indonesia. This is so called grape agate. Very attractive arrangement of amethyst spheres which sparkle nicely. The color is tender lavender. It is complete all over. For references see the 2018 issue of The Mineralogical Record vol. 49, # 6. In excellent condition. On acrylic base.

Cute!