Phosphorescent Fluorite - El Potosi #12 Location_Canada Unusual large Black Tourmaline with

Unusual large Black Tourmaline with Hyalite Opal Specimen from Namibia which glows bright green under UV light

This Ludwigite specimen is from the Brosso Mine in Ivrea

and a rare naturally rainbow iridescent form called Rainbow Hematite

Gobi Agates get their shape through weathering

Phosphorescent Fluorite - El Potosi #12 Location_Canada Unusual large Black Tourmaline withThis very new find Fluorite from December 2025 comes from the El Potosi Mine in Mexico. It has an unusual shape for Fluorite, and the current theory is that these may in fact be pseudomorphs after Calcite. They display not only fluorescence in longwave 365nm light, but also phosphorescence, which depending on the piece, can last several seconds after the UV light is turned off (this is best viewed in complete darkness). You will receive the exact