Exceptional Cavansite crystal stack on miniature gemmy Heulandite. The rich blue of Cavansite is highly desirable among collectors. The Wagholi Quarry of Pune, Maharashtra, India was the only mine where large, lustrous crystals of Cavansite have been found. This legendary location has been both closed and overbuilt, making these rare crystals increasingly hard to find. A perfect small cabinet fine mineral.1.5" x 1" x 1.5", .7 oz.