Originally posted on Nature's Rainbows by Daniel C. Montero. Santa Marta is a new location for fluorescent minerals in Spain. It is also home to the Mugemisa geological and mining museum where you can visit its "Sala negra", the largest in Spain where fluorescent...

Originally posted on Nature's Rainbows by Daniel C. Montero. The classic fluorescent mineral, but all fluorites are not luminescent under UV! Showing here some fluorites with different responses under long wave UV. Green visible Blue fluo from Gloria 1ª Mine, Córdoba,...

Fluorescent Calcites from my collection Show under UV SW-MW-LW-NL.