Fossil Shark Tooth
Carcharocles or Lamniformes (order)
Category
Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.
Fossil Shark Tooth
Carcharocles or Lamniformes (order)
Painted Sandstone
Sandstone (clastic sedimentary rock) with acrylic/artistic coating
Sandstone
Arenite (primarily SiO2)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Granite
Granite (a phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)
Sedimentary River Rock
Siliciclastic Sedimentary Rock (Quartzite or Sandstone pebble)
Sandstone (with Rock Art)
Sandstone (Clastic Sedimentary Rock)
Sandstone and Conglomerate pebbles
Sedimentary clastic rock
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Shale or Mudstone
Argillaceous sedimentary rock
Sandstone
Arenite
Sandstone
Clastic sedimentary rock (primarily SiO2)
Conglomerate Pebble (with Chert / Quartz)
Sedimentary Conglomerate / Breccia Pebble
Shale with Iron Staining
Fissile Mudrock (Sedimentary Rock)
Pyrite
Iron Disulfide (FeS2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
Chert (specifically Black Chert or Flint)
Cryptocrystalline Quartz (SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Leopard Skin Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Fossiliferous Sedimentary Rock
Sedimentary Rock with Invertebrate Fossil Imprint
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Alkali Feldspar, and Plagioclase)
Muscovite Mica
Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2
Red Sandstone
Arenite (Ferruginous Sandstone)
Chert / Flint
Silicon Dioxide (SiO2)
Flint / Chert
Microcrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Shale
Argillite / Shaly Mudstone
Pyrite
Iron Sulfide (FeS2)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Goldstone
Avventurina (Cu + SiO2 glass)
Chalcedony Geode
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Water-worn pebble)
Arenite (primarily SiO2)
Jasper Marble
Silicon Dioxide (SiO2) with Impurities
US Penny
Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy
Sandstone (Micaceous)
Clastic Sedimentary Rock (primarily SiO2 with Mica)
Sandstone with Quarzite clasts
Arenite (SiO2 based)