Phosphorescent Fluorite - El Potosi #11 Popular Crystals_Pyrite That makes it not only

That makes it not only one of the last abelisaurids to live before the mass extinction

Blue Calcite with Graphite from Spitzkoppe

Improves brain focus and study

Lepidolite was originally known under a different name

due to the absence of the typical amounts of iron and manganese that are usually present

Phosphorescent Fluorite - El Potosi #11 Popular Crystals_Pyrite That makes it not onlyThis 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