thomas.armstrong: Colored Layers of Rock
Dj Dainis: Saxony 2019_23
Greenriders: Antelope Canyon 4231 Revised 2
Duncan Darbishire: Liesegang Rocks, Crawick Multiverse
Banco de Imágenes Geológicas: Piedra caballera - El Hornillo (Ávila, España) - 02
Banco de Imágenes Geológicas: Eflorescencias de sulfatos de hierro (posiblemente, halotriquita) por alteración de pirita - Minas de Riotinto (Huelva, España) - 10
RainoL: Kostivere karst area (Jõelähtme, Harjumaa, 20190415)
danjdavis: Large, Fractured Rocks along McFerrin Point Trail - Newton County, Arkansas
WCRROLL: Baryte - Rock Candy Mine
danjdavis: Rock Formation along Compton-Erbie Road Marking McFerrin Point Trailhead - Newton County, Arkansas
peterdayson: Strata
georock2007: LW Fluorescent Mineral Collection
Jon Dev: Dendritic mineralization on rock fracture surfaces
peterdayson: Cliffs Near Rhossili,Wales
Desireevo: Basalt art
Cassini2008: Hilbre Islands Local Nature Reserve (Dee Estuary) West Kirby Wirral UK 14th May 2019
Cassini2008: (Triassic Sandstone) Hilbre Islands Local Nature Reserve (Dee Estuary) West Kirby Wirral UK 14th May 2019
.KiLTRo.: Tertiary Turritella
andreybogdanov: Multicolored rock
virtualbiscuit 2: 1715 - rock
Squirrel Girl cbk: Two San Jose concretions
: Líparít
Troops: Broken Shore
Peter_Skov: Marble cave floor
Peter_Skov: Cave ceiling
jriveagh: Amethyst mineral