Fossiliferous Shale
Laminated Mudrock with plant fossils
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Fossiliferous Shale
Laminated Mudrock with plant fossils
Sandstone (Muddy/Silty Variety)
Arenite with high silt/clay content (clastic sedimentary rock)
Sandstone (Weathered Coastal Boulder)
Arenite (composed primarily of SiO2)
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
Sandstone
Arenite (primarily composed of SiO2)
Sandstone (Quartz-rich)
Arenite (SiO2 based clastic rock)
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Limestone (Micrite/Chalky variety)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Limestone (Flagstone)
Fossiliferous Limestone (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
Shale
Shale
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Feldsphathic Igneous Rock
Orbicular Rhyolite (Rainforest Jasper)
Rhyolite containing Spherulites (SiO2 with impurities)
Dalmatian Stone
Dalmatian Jasper (actually a Peralkaline Igneous Rock)
Chert (often called Flint or River Pebble)
Microcrystalline Quartz (SiO2)
Halite
Halite (Sodium Chloride, NaCl)
Chalcedony (Common Opal variant or Agate)
Silicon Dioxide (SiO2)
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Orange Calcite
Calcium Carbonate (CaCO3)
Pink Garnet (likely Almandine or Rhodolite)
Garnet Group (Fe3Al2(SiO4)3 to Mg3Al2(SiO4)3)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 (Muscovite with Chromium)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Quartz (Drusy/Crystalline)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Jasper (Green Jasper / Chert)
Silicon Dioxide (SiO2) with iron/clay inclusions
Citrine
SiO2 (Silicon Dioxide)
Pyrite
Iron Disulfide (FeS2)
Blue Chalcedony
Chalcedony (SiO2)
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Chalcedony (Agate)
Silicon Dioxide (SiO2)
Chert
Microcrystalline silica (SiO2)
Shungite
Non-crystalline carbon (allotrope of carbon)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Pyrite
Iron Sulfide (FeS2)
Fossilized Shark Tooth (Dermal Denticle or worn tooth fragment)
Elasmobranchii (fossil remains)
Pyrite
Iron Sulfide (FeS2)