Volcano/Volcanic Agate Tumbled Stone
Rare, UV Reactive Volcano Agate is a variety of Chalcedony that forms when groundwater and volcanic lava containing UV reactive minerals interact, resulting in a glowing green luminescence under black/UV light.
*Price quoted is for one tumbled stone that will be intuitively picked for you. As each piece is unique, there will be slight variations in colour and size. Not every piece is guarantee to have visible UV fluorescence, but you are guarantee to receive one of the tumbled stones in this image.