Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Man Made)
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
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White Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite
sedimentary
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Granular Sandstone
Arenite (variable composition, primarily SiO2)
sedimentary
Claystone / Mudstone
Mudstone (Hydrous aluminum silicate rich rock)
sedimentary
Limestone
Calcite (CaCO3)
sedimentary
Sandstone (Quartz-rich)
Arenite (composed primarily of SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Limestone (specifically Tufa or Travertine)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxide (Fe2O3) cement
sedimentary
Limestone (River Pebble / Fossiliferous Limestone)
Calcium Carbonate (CaCO3)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite
sedimentary
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
sedimentary
Pebble (likely a type of sandstone or quartzite pebble)
Clastic Sediment (specifically, a rudite-sized clast). If the pebble is composed of a specific rock type, its scientific name would be that rock type (e.g., 'Quartzite pebble', 'Granite pebble', 'Chert pebble'). Given its appearance, it is likely a metamorphic quartzite pebble or a hard sandstone pebble.
Sedimentary rock
Kambaba Jasper
Stromatolite / Fossilized Algae (Rhyolitic structure)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
sedimentary
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
sedimentary
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Ferruginous)
Arenite (with Hematite/Limonite cement)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Micaceous)
Clastic Sedimentary Rock (primarily SiO2 with Mica)
sedimentary
Sandstone
Arenite (Sedimentary rock)
sedimentary
Sandstone (likely Quartz Sandstone)
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous Concretion)
Arenite (with iron oxide cement)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
sedimentary
Sandstone (likely Quartzose)
Sandstone (Principally SiO2)
sedimentary