Botryoidal Gyrolite with Apophyllite on Basalt. A perfectly trimmed specimen completely covered in crystals of Gyrolite and Apophyllite. The basalt reverse provides a confident host stone which is covered in miniature crystal-filled spaces waiting to be explored with a loupe. Aurangabad, Maharashtra, India. 4.25" x 7" x 2", 1.65 lbs.