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A striking combination of red fluorescent calcite and blue fluorite from the Pure Potential Mine in La Paz County, Arizona.
The Pure Potential Mine, also known as the North Geronimo Mine, is located north of Yuma, Arizona. No longer active, it is a former underground operation that produced lead, zinc, silver, molybdenum, vanadium and fluorspar. Specimen mining still takes place at the Pure Potential Mine under private claim.
First, an animation showing the difference between the UV flashlight we recommend (365nm filtered UV flashlight) versus unfiltered 395nm UV flashlights we see many folks carrying around at shows. So. much. visible purple light. We selected a bunch of rocks as a demonstration. Took pictures of them under his flashlight without the filter and then with the filter.
A major component of rock collecting (for us) is simply getting out in nature. A buddy dragged us out to a very remote area here in middle Tennessee to hunt for fluorescent green agate. Since we consider ourselves pure "Glow Hounds" we weren't anticipating any glow rocks, just the beauty of the area, but we brought our UV lights anyway.
