Kyanite
Kyanite (Al2SiO5)
Category
Browse anthropogenic sedimentary (man made) specimens identified by the Rock Identifier community.
Kyanite
Kyanite (Al2SiO5)
Pyrite
Iron Sulfide (FeS2)
Quartz Geode
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2)
Pyrite and Sunstone
Iron Sulfide (FeS2) and Plagioclase Feldspar ((Ca,Na)Al(Al,Si)Si2O8)
Chalcedony (Agate/Carnelian type)
Silicon Dioxide (SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Imperial Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions
Sandstone (Ferruginous/Red Sandstone)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Coquina
Biogenic Limestone (Coquina)
Jasper (specifically Yellow Jasper and Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Coral (Precious Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
Sandstone
Arenite (SiO2 principal)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
General Gravel (River Rock/River Stones)
Mixed Lithic Sediments (Conglomerate Clasts)
Red Jasper (Brecciated or Mottled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (Nodule)
Microcrystalline Silica (SiO2)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (SiO2 primary composition)
Limestone with Quartz/Calcite Veins
Sedimentary Limestone (CaCO3 with SiO2 or CaCO3 intrusions)
Fossilized Shell in Limestone
Bivalve fossil (CaCO3) in Carbonate Sedimentary Rock
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Travertine (Ceramic Tile)
Terrestrial Sedimentary Rock / Calcium Carbonate (CaCO3)
Conglomerate with Native Copper
Clastic Sedimentary Rock with Native Copper (Cu)
Coquina / Fossiliferous Limestone
Calcite-rich Bioclastic Sedimentary Rock (CaCO3)
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
Sandstone (Greywacke)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Siltstone
Siltstone (fined-grained clastic sedimentary rock)
Quartz Veined Siltstone or Graywacke
Clastic Sedimentary Rock with Quartz (SiO2) veining
Sandstone (Red Flagstone)
Clastic sedimentary rock (primarily Quartz - SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Chert Pebble Map
Microcrystalline Quartz (SiO2)
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2 (Silicon Dioxide)
Sandstone Concretion
Clastic Sedimentary Concretion (primarily SiO2 with Fe2O3 cement)
Sandstone (Ferruginous/Banded)
Clastic Terrigenous Sandstone (SiO2 with Fe2O3 cement)
Sandstone (Greywacke/Lithic Sandstone)
Arenite / Lithic Sandstone
Sandstone (Ferruginous)
Arenite (iron-rich)
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Sandstone (Ferruginous)
Arenite (Iron-rich)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)