Light colored Chalcedony hosts single, light blue crystal of Cavansite accompanied by minor instances of Mordenite that provides a unique and contrasting base for this top level miniature mineral specimen. The Wagholi Quarry of Pune, Maharashtra, India was the only mine where large, lustrous crystals of this type have been found. This legendary location has been both closed and overbuilt. 1.5" x .5" x 1", .3 oz.