Volcano Agate Sphere (K) limonite North Dakota

North Dakota

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Large gray spherical concretion with one side exposed to reveal the internal shrinkage fractures that are lined with iridescent Pyrite microcrystals

Admire the natural beauty of this one-of-a-kind Purple Amethyst

Volcano Agate Sphere (K) limonite North DakotaThe Volcano Agate Crystal Sphere is eye catching with a unique surface comprised of shimmering swirls of brown and grey. When it is exposed to UV light, it glows a bright green, making it a popular choice for decoration or collectibles. Some may have a mix of calcedony, agate, and or calcite which can bring out different colors. For best results viewing UV reactivity, please use a 365nm Longwave UV light. WT: 439g Size: 2. 75" ***Disclaimers*** Item