Click on one of the links below to display a representative photo for each name in the range shown. Each link displays up to 32 thumbnail photos.

Geology Subjects 'Cave Bacon' / - Andorite with Zinkenite Andradite - Atacamite Atacamite on Chrysocolla - Barite crystals on Barite on Galena - Black Crater / Black Rock Lava - Calcite and Stibnite Calcite Crystals in - Cerussite Cerussite - Cirque on Sundance Claringbullite in Cuprite - Cooled lava flow Copper 'Skull' - Danburite Datolite - El Salvador Volcano Elbaite - Eruption of Arenal Erythrite - Fluorite on Celestine Fluorite on Dolomite - Glacial Chatter Marks Glacial Chatter Marks - Gold Gold - Gold on Hematite Gold on Limonite - Half Dome in Halite - Horseshoe Lake - Hot Springs at - Large Transverse Dunes Lassen Peak in - Lunar Crater / Malachite - Molybdenite Molybdenite - Native Platinum Native Silver - North Window / Obsidian Dome - Partition Arch / Patterns in sandstone - Pyrite Pyrite - Racetrack Playa / Radiating Pattern of - Rhodochrosite with Galena Rhodochrosite with Pyrite - Sand Tufa Sandstone 'Goblin' hoodoos - Shield Formations / Shortly before Sunrise - South Window Arch Spatter Cone / - Stanislaus Table Mountain Star Dune and - Surface Ripples on Surprise Canyon / - Three Sisters / Thurston Lava Tube - Ubehebe Crater / Ubehebe Volcanic Crater - Volcanic Dome - Volcanic Dome - - Wollastonite in Calcite Wulfenite - Wollastonite in Calcite