Willemite, Fluorite, Calcite. Garpenberg, Sweden Short wave green Willemite, red Calcite & Long wave blue Fluorite.

Hydrozincite has an intense light blue fluorescence and smithsonite is dark blue creating a wild contrast! (according to some comments)....

The Berta quarry is an inactive quarry located on the northwest slope of the Sierra de Roques Blanques, in the municipalities of San...

Fluorapatite var."Spargelstein" on Hematite (not fluo) covered with small spheres of Calcite and Chalcedony. From Nuestra Señora del...

Small plate of compact calcite crystals; 7x4x1cm, 59g. Zoned yellow/green fluorescence under shortwave UV light, honey under longwave UV...

The Berbes mining area, in Ribadesella Asturias, Spain is a classic for Spanish minerals from its mines many world-class specimens have...

Spinel and Clinohumite micro crystals on a marble matrix. From Sierra de Mijas, Málaga, Andalusia, Spain. It is a difficult material to...

This is an grouping of Apatite and Calcite crystals with a Chalcedony coating from Nuestra Señora del Carmen mine, La Celia volcano,...

Shown here is a nice little specimen of very brightly fluorescing calcite, with dolomite, from the Långban mine. This material is so...

"Boccheggiano-type aragonite", showing a very bright red fluorescence under longwave UV. As usual, the fluorescence of this specimen is...