Phosphorescent Fluorite - El Potosi #7 Colour_Metallic In the jewellery trade Pyrite

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

related to Selenite and often mislabelled as such

Its name means "Giant-Tooth" and it's obvious as to why

Phosphorescent Fluorite - El Potosi #7 Colour_Metallic In the jewellery trade PyriteThis 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