Phosphorescent Fluorite - El Potosi #13 Popular Crystals_Clear Quartz Several varieties of Quartz have

Several varieties of Quartz have been used as semi precious gemstones and set into jewellery for hundreds of years

- aids psychic protection

This lovely Dogstooth Calcite specimen from Mexico has excellent scalenohedral crystal formation and shine

It is also the birthstone for the month of March

Calcite and Aragonite are identical in chemical makeup

Phosphorescent Fluorite - El Potosi #13 Popular Crystals_Clear Quartz Several varieties of Quartz haveThis 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