Fossil scallop shell
Scallop (family Pectinidae); shell composed chiefly of calcite and/or aragonite (CaCO₃)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Fossil scallop shell
Scallop (family Pectinidae); shell composed chiefly of calcite and/or aragonite (CaCO₃)
Quartz Vein in Limestone
Calcium carbonate with silicon dioxide (SiO2 in CaCO3)
Ironstone (iron-rich sandstone or concretion)
Ferruginous sandstone, cemented by iron oxides/hydroxides such as hematite (Fe₂O₃) and goethite (FeO(OH))
Fossilized Brachiopod in Matrix
Phylum Brachiopoda
Quartz
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone (Garden Boulder)
Sandstone (SiO2 dominated)
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
Sandstone
Arenite (SiO2 principal)
Red Sandstone or Brick Fragment
Arenite (if sandstone)
Pyrite
Iron Sulfide (FeS2)
Sedimentary Rock Fragments
Clastic Sedimentary Rock
Fragmented Sedimentary Pebble
Clastic Sedimentary Specimen
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Sandstone
Clastic sedimentary rock (Quartz arenite or Arkose)
Sedimentary Rock
Sedimentary rock (lithified sediment)
Belemnite Fossil
Belemnitida (rostrum)
Fossil Brachiopod
Phylum Brachiopoda
Siltstone Pebble with Veining
Siltstone
Sandstone
Sandstone ( преимущественно SiO2 )
Shale
Laminated Mudstone (Shale)
Sandstone
Arenite
Petrified Wood
Silicified Wood (SiO2)
Banded Sedimentary Rock
Sedimentary Rock with Quartz/Feldspar Vein
Sedimentary Rock (Limestone or Siltstone pebble)
Sedimentary rock fragment
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
Red Sandstone Pebble
Sedimentary Quartz Arenite / Arkose
Siltstone or Mudstone
Siltstone (composed primarily of silt-sized particles)
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Banded Sedimentary Rock
Siliciclastic Sedimentary Rock
Jasper
Microcrystalline Quartz (SiO2)
Quartz (Rose Quartz or Jasper variety)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Shale
Shale (Fine-grained clastic sedimentary rock)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Shale
Shale (Consolidated fine-grained clay/silt)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 dominant)
Breccia
Sedimentary Breccia
Red Sandstone
Sedimentary Litharenite
Sandstone concretion
Sedimentary concretion
Sandstone
Sedimentary Arenite