demeeschter:
Tropenhaus Frutigen Museum
Joel Pee:
Fluorescent colors in calcite coated speleothems on the wall of a cave. Natural abstract.
Pepe Rodríguez Cádiz:
Marina, Peniche
MO FunGuy:
Willemite Franklinite Calcite under blacklight found New Jersey display New Mexico (edit)
demeeschter:
Barytine
Al_HikesAZ:
Boyce Thompson Arboretum - azurite and malachite
Al_HikesAZ:
Amethyst Geodes - Kino Sports Complex - Tucson Gem, Mineral and Fossil Showcase (EXPLORE)
Al_HikesAZ:
Quartz crystal cluster - Kino Sports Complex - Tucson Gem, Mineral and Fossil Showcase
albategnius:
Ocean Jasper macro 6
Al_HikesAZ:
Morganite - Tucson Gem, Mineral and Fossil Showcase
Al_HikesAZ:
Unidentified pegmatite on Muscovite (?) - Tucson Gem, Mineral and Fossil Showcase
CyclopKiLouch:
Quartz
CyclopKiLouch:
Quartz
CyclopKiLouch:
Quartz et Pyrite