Phosphorescent Fluorite - El Potosi #12 Colour_White Varieties include Chevron Amethyst

Varieties include Chevron Amethyst

also known by the name Cleiophane

Weight: 84gSize: 73mm x 52mm

and sensitive areas

This unusual specimen from Medina

Phosphorescent Fluorite - El Potosi #12 Colour_White Varieties include Chevron AmethystThis 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