Limestone
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
Limestone (with potential fossil inclusions)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily Quartz, SiO2)
Limestone
Calcium Carbonate (CaCO3)
Limestone (Brecciated/Recrystallized)
Calcium Carbonate (CaCO3)
Bauxite
Al2O3·2H2O (principally composed of gibbsite, boehmite, and diaspore)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
Limestone (Grey and White specimens)
Calcium Carbonate (CaCO3)
Sandstone (specifically Flagstone)
Arenite (primarily composed of SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone with Liesegang Rings
Arenite with Iron Oxide Concretions
Sandstone with Foliose Lichen
Arenite (Rock matrix) with Xanthoparmelia or Flavoparmelia (Lichen genus)
Pyrite
Iron Disulfide (FeS2)
Banded Jasper with Hematite or Quartz
Silicon Dioxide (SiO2) with impurities
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Banded Chert or Chert with Quartz Veins
Chert (SiO2)
Bivalve Fossil (Clam/Mollusk)
Class: Bivalvia (Order: Veneroida), Calcium Carbonate (CaCO3)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 major component)
Sandstone (Quartzose)
Sandstone (clastic sedimentary rock, primarily SiO2)
Pyrite
Pyrite (FeS₂)
Shale
Fissile Mudstone (primarily composed of clay minerals and quartz)
Sandstone (Quartzose Sandstone Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite
Fossiliferous Limestone (Red Marble)
Bioclastic Limestone (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Quartzose Sandstone pebble)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (variable SiO2 with Fe2O3 staining)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (Fe2O3 stained)
Sandstone with Algae Growth
Arenite with Chlorophyta/Lichen
Sandstone
Arenite (primarily SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Sandstone (mainly SiO2 with Fe2O3 staining)
Limestone
CaCO3 (Mainly Calcite or Aragonite)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with Fe2O3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Greywacke or Lithic Sandstone)
Arenite / Wacke
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (primarily SiO2 with Fe2O3)