Rock Identifier

Category

Anthropogenic (Man Made Material Mimicking Sedimentary Rock)

Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.

Learn about Anthropogenic (Man Made Material Mimicking Sedimentary Rock) in the encyclopedia

Rock Gypsum

Limestone

Dunite

Claystone

Diatomite

Tripolite

Sandstone

Marl

Gondite

Lherzolite

Blue Goldstone

Phosphorite

Mother of Pearl (Nacre) (Aragonite (CaCO3) with Organic Matrix) — mineral

Mother of Pearl (Nacre)

Aragonite (CaCO3) with Organic Matrix

Unidentified translucent crystal/mineral fragment (Likely quartz (SiO₂), but visual identification is uncertain) — mineral

Unidentified translucent crystal/mineral fragment

Likely quartz (SiO₂), but visual identification is uncertain

Goldstone (Red) (Aventurine Glass (SiO2 + Cu)) — Synthetic Glass (Often categorized as a simulated mineral)

Goldstone (Red)

Aventurine Glass (SiO2 + Cu)

Synthetic Glass (Often categorized as a simulated mineral)

Sandstone (Arenite (specifically sublithic or quartz arenite)) — sedimentary

Sandstone

Arenite (specifically sublithic or quartz arenite)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Conglomeratic gravel / polymictic breccia (Polymictic rudite, likely anthropogenic or beach/stream gravel; composition varies) — sedimentary

Conglomeratic gravel / polymictic breccia

Polymictic rudite, likely anthropogenic or beach/stream gravel; composition varies

Blue Crackle Quartz (Dyed Quarzite) (Silicon Dioxide (SiO2) with artificial dye) — Metamorphic (modified)

Blue Crackle Quartz (Dyed Quarzite)

Silicon Dioxide (SiO2) with artificial dye

Metamorphic (modified)

Dyed Aura Quartz (Silicon Dioxide (SiO2) with metallic coating) — mineral

Dyed Aura Quartz

Silicon Dioxide (SiO2) with metallic coating

Goldstone (Brown/Gold) (Aventurine Glass (Man-made glass with Copper inclusions)) — gemstone

Goldstone (Brown/Gold)

Aventurine Glass (Man-made glass with Copper inclusions)

Fossiliferous limestone with colonial coral (Calcite (CaCO₃) limestone containing fossil tabulate or rugose coral colonies) — fossil

Fossiliferous limestone with colonial coral

Calcite (CaCO₃) limestone containing fossil tabulate or rugose coral colonies

Asphalt aggregate (crushed stone in bitumen) (Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen) — sedimentary

Asphalt aggregate (crushed stone in bitumen)

Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen

Green glass sphere/marble (Soda-lime glass (primarily SiO2, Na2O, CaO)) — Man-made object (Simulant)

Green glass sphere/marble

Soda-lime glass (primarily SiO2, Na2O, CaO)

Man-made object (Simulant)

Laterite (Fe2O3 and Al2O3 rich residual rock) — sedimentary

Laterite

Fe2O3 and Al2O3 rich residual rock

Moldavite (Tektite (Impact Glass), ~80% SiO2 + Al2O3) — tektite

Moldavite

Tektite (Impact Glass), ~80% SiO2 + Al2O3

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Goldstone (Red) (Aventurine Glass (Cupriferous glass)) — Synthetic Glass (Man-made)

Goldstone (Red)

Aventurine Glass (Cupriferous glass)

Synthetic Glass (Man-made)

Sandstone (Arenite (variable SiO2 composition)) — sedimentary

Sandstone

Arenite (variable SiO2 composition)

Limpets Shell / Fossil Specimen (Patellogastropoda (Class)) — fossil

Limpets Shell / Fossil Specimen

Patellogastropoda (Class)

Likely sandstone pebble (Quartz-rich sandstone (composition uncertain from the image)) — sedimentary

Likely sandstone pebble

Quartz-rich sandstone (composition uncertain from the image)

Brecciated jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide staining) — sedimentary

Brecciated jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide staining

White flint (chert) (Microcrystalline quartz, SiO₂) — sedimentary

White flint (chert)

Microcrystalline quartz, SiO₂

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Rock crystal quartz fragments (Quartz (silicon dioxide, SiO₂)) — mineral

Rock crystal quartz fragments

Quartz (silicon dioxide, SiO₂)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Opalite (Synthetic Opalite Glass) — mineraloid (man-made)

Opalite

Synthetic Opalite Glass

mineraloid (man-made)

Weathered iron-rich rock, possibly jasper or ironstone (Likely limonite/goethite-bearing siliceous rock; exact identification requires hardness and streak tests) — mineral

Weathered iron-rich rock, possibly jasper or ironstone

Likely limonite/goethite-bearing siliceous rock; exact identification requires hardness and streak tests

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Polished labradorite sphere (Labradorite, calcic plagioclase feldspar ((Ca,Na)(Al,Si)₄O₈)) — mineral

Polished labradorite sphere

Labradorite, calcic plagioclase feldspar ((Ca,Na)(Al,Si)₄O₈)

Carborundum (Silicon Carbide) (Silicon Carbide (SiC) / Moissanite (natural form)) — mineral

Carborundum (Silicon Carbide)

Silicon Carbide (SiC) / Moissanite (natural form)

Citrine Quartz (Citrine (Silicon Dioxide, SiO2)) — mineral

Citrine Quartz

Citrine (Silicon Dioxide, SiO2)

Chert (specifically Tan/Gray Chert) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (specifically Tan/Gray Chert)

Microcrystalline quartz (SiO2)

Sandstone (Clastic sedimentary rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite/Arkose)

Quartz crystal (likely clear quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Quartz crystal (likely clear quartz)

Quartz, silicon dioxide (SiO₂)

Chert (Flint / Jasper variant) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint / Jasper variant)

Microcrystalline Quartz (SiO2)

Sandstone (Sandstone (composed predominantly of Quartz, SiO2, with Feldspar and Clay minerals)) — sedimentary

Sandstone

Sandstone (composed predominantly of Quartz, SiO2, with Feldspar and Clay minerals)

Tumbled milky quartz (likely) (Quartz, silicon dioxide (SiO₂)) — mineral

Tumbled milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Polished white calcite sphere (identification tentative) (Calcite, CaCO₃) — mineral

Polished white calcite sphere (identification tentative)

Calcite, CaCO₃

Iron Slag (Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)) — Anthropogenic (Man-made industrial byproduct)

Iron Slag

Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)

Anthropogenic (Man-made industrial byproduct)

Chert (Arrowhead/Projectile Point) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Arrowhead/Projectile Point)

Microcrystalline quartz (SiO2)

Chert (Chalcedony/Agate variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chalcedony/Agate variety)

Silicon Dioxide (SiO2)

Green glassy mineral fragment, possibly fluorite (Fluorite (calcium fluoride, CaF₂), tentative identification) — mineral

Green glassy mineral fragment, possibly fluorite

Fluorite (calcium fluoride, CaF₂), tentative identification

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)