Blue chalcedony, apophyllite & stilbite crystal

A beautiful blue chalcedony formation with chunky clear apophyllite crystals and a few shimmering poufs of peach stilbite from Jalgaon, India. There are rainbow inclusions in some of the apophyllite crystals. It measures approximately 17.75 cm x 11.5 cm x 12.75 cm and weighs 1.5 kg.