Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Category
Browse anthropogenic sedimentary (man made) specimens identified by the Rock Identifier community.
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (SiO2 based with mineral cement)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone (Pebble)
Clastic sedimentary rock (SiO2 primary)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)
Crushed Limestone Aggregate
Limestone (Calcium Carbonate, CaCO3)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 with inclusions)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Limestone
Calcium Carbonate (CaCO3)
Sandstone Pebble
Arenite (primarily Quartz, SiO2)
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone (with potential Quartzite characteristics)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone (with prominent jointing/fractures)
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (Siliclastic Sedimentary Rock)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 dominant)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Arenite (with iron oxide cement)
Chalcedony (variations like Agate or Jasper)
Chalcedony (SiO₂ - microcrystalline quartz)
Sandstone with Quarzite clasts
Arenite (SiO2 based)
Sandstone (likely Quartzose Sandstone)
Arenite (composed primarily of SiO2)
Diorite (Dalmatian Stone)
Phaneritic Plutonic Diorite
Chert (specifically Red Chert/Jasper)
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (SiO2)
Sandstone
Arenite
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Sandstone (likely Calcareous or Quartz-rich)
Arenite (SiO2 based typically)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 cement)
Desert Varnish on Sandstone
Ferromanganese coating on Quartz Arenite
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Precious Opal
Hydrated Silica (SiO2·nH2O)
Sandstone (likely Siltstone)
Arenite or Siltstone (high SiO2 content)
Chert / Flint
Microcrystalline Quartz (SiO2)
Sandstone
Sandstone (lithified sand)
Concretion
Various mineral compositions, typically carbonate or iron oxide cemented sediment
Quartz-veined Sedimentary Rock
Hydrothermally veined Clastic Sedimentary Rock (SiO2 veins in Matrix)
Water and Silt (Sedimentary Environment)
Suspended Sediment / H2O (dihydrogen monoxide)
Chert (and associated Sedimentary rocks)
Microcrystalline Silica (SiO2)