Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary
Category
Sedimentary Like (Industrial Composite)
Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.
Learn about Sedimentary Like (Industrial Composite) in the encyclopedia
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Silty Shale
Silty Shale (Fissile Sedimentary Rock)
sedimentary
Shale (Ferruginous)
Laminated Mudrock (Siliciclastic Sedimentary Rock)
sedimentary
Diamond (Princess Cut)
Carbon (C)
mineral
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2 - Silicon Dioxide)
sedimentary
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
sedimentary
Rough Diamond
Diamond (Native Carbon), C
mineral
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
sedimentary
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
sedimentary
Cobblestones (Basalt/River Rock)
Polished lithic fragments and rounded pebbles
sedimentary
Ironstone Concretion / Limonite Node
Goethite / Limonite (FeO(OH)·nH2O)
sedimentary
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variation)
Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically White Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Spinosaurus fossil (permineralized bone)
Spinosaurus aegyptiacus (Calcium phosphate mineralized with silica/sediment)
sedimentary
Fluorite Bracelet
Calcium Fluoride (CaF2)
mineral
Chert / Flint
Microcrystalline Quartz (SiO2)
sedimentary
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
metamorphic
Chert (often colloquially called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Rough Green Tourmaline (Verdelite)
Elbaite (Complex Silicate) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Conglomerate
Quartz Conglomerate
sedimentary
Gossan
Ferruginous gossan (Iron-rich capping)
sedimentary
Conglomerate
Conglomerative Rudite (SiO2/CaCO3 matrix)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone
Clastic sedimentary rock
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Common Pebble / Sedimentary Rock Fragment
Lithified clastic sediment
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
sedimentary
Script Stone
Calcareous Sandstone / Limestone with fossilized inclusions
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Marble
Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)
Metamorphic Rock
Ruby
Corundum (Al2O3) with Chromium traces
mineral
Chiastolite (Andalusite)
Al2SiO5
metamorphic
Sandstone
Clastic Sedimentary Rock
sedimentary
River Jasper (Chert/Chalcedony mix)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
sedimentary
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Coquina
Bioclastic Limestone (Calcium Carbonate, CaCO3)
sedimentary