Phosphorescent Fluorite - El Potosi #7 Colour_Metallic It is made up of

It is made up of mostly Fluorite

In the jewellery trade Pyrite used in jewellery is known as Marcasite

Polychrome Jasper is a stunning variety of Jasper that was only fairly recently discovered in Madagascar

with an included trilobite fossil to help show off the cool new addition to your fossil collection

Phosphorescent Fluorite - El Potosi #7 Colour_Metallic It is made up ofThis 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