A very large, moving air bubble, trapped in the formation of the crystal, occupies a space filled with water within one of the largest crystals in this perfectly-presenting multi-crystal cluster. Sits as shown, unaided. Verz Cruz, Mexico. 4.5" x 2.5" x 2.5", 3.5 oz.

Trapped Air Bubble 'Enhydro' Amethyst Cluster