Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)
sedimentary
Category
Sedimentary Or Mineral
Browse sedimentary or mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Mineral in the encyclopedia
View all →
Sandstone
Sandstone ( преимущественно SiO2 )
sedimentary
Seashell (Calcium Carbonate)
Calcium Carbonate (CaCO3)
mineral
Banded Sandstone (Beach Pebble)
Quartz Arenite Sandstone
sedimentary
Yellow Chalcedony / Carnelian
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
sedimentary
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
sedimentary
Shale
Argillite / Shaly Mudstone
sedimentary
Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
sedimentary
Limonite
Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Limonite / Ironstone Nodule
Limonite (Hydrated iron(III) oxide-hydroxide), FeO(OH)·nH2O
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O
mineral
Turquoise
Turquoise, CuAl6(PO4)4(OH)8·4H2O
mineral
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary Rock
Quartz on Sandstone
Silicon Dioxide (SiO2) in Lithic Sandstone
sedimentary
Orange Calcite (likely polished specimen)
Calcite
Mineral
Sandstone Pebble
Arenite (Sandstone)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Hematite
Iron Oxide (Fe2O3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Shale
Sedimentary rock composed of clay minerals and quartz
sedimentary
Shale
Laminated Mudstone (Shale)
sedimentary
Sandstone
Arenite
Sedimentary
Sandstone
Arenite
sedimentary
Yellow Ocher (Iron-rich Silt/Clay)
Goethite-rich Limonite (FeO(OH)qnH2O)
sedimentary
Sandstone
Arenite
sedimentary
Weathered Sandstone Cobble
Arenite / Quartz Sandstone
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Petrified Wood
Silicified Wood (SiO2)
fossil
Sandstone
Arenite (SiO2 primarily)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz and Mixed Sedimentary Rocks
Silicon Dioxide (SiO2) mixed with various clastic sedimentary lithologies
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary