More Yooperlite rocks from Lake Superior … ⛏️

Underwater views of the sodalite rocks with 395nv Longwave UV light …. https://amzn.to/4fPr3Jw

Rocks from Whitefish point, Michigan with 365 nm UV light ….

More information : https://nightsea.com/nature/minerals/sodalite-fluorescence/#:~:text=Specifically%2520%E2%80%93%2520the%2520rock%2520in%2520question,this%2520case%252C%2520the%2520yellow%2520glow.

This set includes 395nv + 365nv UVLights : https://amzn.to/4fPr3Jw