Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
sedimentary
Category
Sedimentary (Fossil)
Browse sedimentary (fossil) specimens identified by the Rock Identifier community.
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Ferruginous Sandstone
Arenite with Iron-Oxide cement (Fe2O3 · nH2O)
sedimentary
Weathered Sandstone Cobble
Arenite / Quartz Sandstone
sedimentary
Seashell (Calcium Carbonate)
Calcium Carbonate (CaCO3)
mineral
Pyrite
Iron sulfide (FeS2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony / Yellow Agate
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz-veined Sandstone
Sedimentary rock with quartz vein (SiO2)
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Sedimentary Rock (Limestone or Siltstone pebble)
Sedimentary rock fragment
sedimentary
Sandstone (River Cobble / Pebble)
Sedimentary Rock (Quartz Sandstone / Arenite)
sedimentary
Sandstone
Arenite (predominantly SiO2 with iron oxides)
sedimentary
Pyrite in Shale
Iron Disulfide (FeS2)
mineral
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
sedimentary
Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
sedimentary
Weathered Sandstone or Siltstone
Sedimentary Rock
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Conglomerate
Sedimentary Conglomerate
sedimentary
Breccia
Sedimentary Breccia
sedimentary
Sandstone
Sedimentary Arenite
sedimentary
Breccia Pebble
Sedimentary Breccia
sedimentary
Sandstone Concretion
Sedimentary concretion
Sedimentary
Sandstone or Limestone
Sedimentary Rock
Sedimentary
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)
mineral
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Quartzite Sandstone / Quartz Sandstone
Quartz Sandstone (SiO2 with minor mineral impurities)
sedimentary
Quartz, Sandstone, and Siltstone specimens
Silicon Dioxide (SiO2) and Clastic Sedimentary Rocks
mineral and sedimentary
Sandstone
Arenite
Sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone Anvil / Nutting Stone
Quartzose Sandstone (Sedimentary Rock)
sedimentary
Banded Sandstone (Zebra Stone)
Arenite with Iron Oxide Banding (Liesegang rings)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Jasper (Chert / Chalcedony)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Mineral
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary