UV Reactive Columnar Calcite Cluster Specimen Red Fox Agate The window of crystal growth

The window of crystal growth that runs through the center of the stone gives it its distinctive look

With its botryoidal growth and purple/green hues

43" (at its tallest)

This amazing Sodalite sphere has a perfectly polished surface

This black obsidian skull measures under 4" long and has an unpolished matte finish with a smooth

UV Reactive Columnar Calcite Cluster Specimen Red Fox Agate The window of crystal growthThis striking calcite specimen is a true beauty! Under normal light conditions, it appears as solid gray columns of calcite. But when exposed to ultraviolet (UV) light, it transforms into a fiery orange hue. This phenomenon is caused by calcite's property of fluorescence, which refers to its ability to absorb UV light and then emit visible light of a different color. Approximate Size: L: 2. 00" x W: 2. 70" x H: 3. 80"Approximate Weight: 0. 90 lbs.