Fossiliferous Limestone with Quartz Veining
Limestone (Calcium Carbonate, CaCO3)
Category
Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.
Fossiliferous Limestone with Quartz Veining
Limestone (Calcium Carbonate, CaCO3)
Limestone Cobble
Sedimentary Limestone (Calcium Carbonate, CaCO3)
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3) with bioclasts
Sandstone
Arenite (typically SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (Lithic arenite / Quartz arenite)
Limestone (Beach Pebble)
Sedimentary Calcium Carbonate (CaCO3)
Limestone (Weathered Aggregate)
Sedimentary Carbonate Rock (CaCO3)
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (Siliclastic sedimentary rock)
Limestone
Calcium Carbonate (CaCO3)
Limestone Pebble
Sedimentary Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
River Pebble (Quartzite)
Quartzite (SiO2)
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Limestone with Iron Inclusions
Calcium Carbonate (CaCO3) with Hematite/Limonite
Limestone
Calcium Carbonate (CaCO3)
Geode
Quartz nodule / Chalcedony-lined cavity
Rodonite
Rhodonite (MnSiO3)
Galena
Lead sulfide (PbS)
Quartz
Silicon Dioxide (SiO2)
Shiva Lingam
Cryptocrystalline Quartz (Jasperiod Siltstone)
Aragonite Star Cluster
Aragonite (CaCO3)
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with marine fossils
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
Dog (Sleeping)
Canis familiaris (or Canis lupus familiaris)
Mixed pebble collection, including likely flint, quartzite, and fossil material
Varied silicate rocks; visible specimen may include chert (microcrystalline SiO₂), quartzite, and a possible fossil
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide Fe2O3 cement)
Sandstone
Arenite
Sandstone
Arenite
Sandstone
Sandstone (clastic sedimentary rock)
Sandstone (with Iron Oxide staining)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (Ferruginous Concretion)
Arenite (with iron oxide cement)
Sandstone (with Iron Staining)
Clastic sedimentary rock (High Silica / Iron Oxide)
Tumbled brown quartz/chert pebble
Microcrystalline quartz (SiO₂), possibly chert or jasper
Sandstone
Arenite (composed primarily of Quartz, SiO2)
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Crushed Limestone
Sedimentary Calcium Carbonate (CaCO3)
Limestone
Sedimentary Calcium Carbonate (CaCO3)