Rock Identifier

Category

Man Made Rock Like Material

Browse man made rock like material specimens identified by the Rock Identifier community.

Learn about Man Made Rock Like Material in the encyclopedia

Rock Gypsum

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Dunite

Argillite

Limestone

Goldstone

Anorthosite

Gondite

Albitite

Coquina

Sea Glass (Amorphous silicon dioxide (Man-made glass weathered by nature)) — mineral

Sea Glass

Amorphous silicon dioxide (Man-made glass weathered by nature)

Black beaded bracelet, likely black onyx or glass (Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass) — mineral

Black beaded bracelet, likely black onyx or glass

Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass

Amber-set ring (Amber (fossilized plant resin; organic mineraloid), set in a metal ring) — gemstone

Amber-set ring

Amber (fossilized plant resin; organic mineraloid), set in a metal ring

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Fired Clay Brick (Anthropic Rock substitute) (Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)) — metamorphic (man-made / anthropic)

Fired Clay Brick (Anthropic Rock substitute)

Anthropogenic polycrystalline ceramic (predominantly Mullite and Quartz: Al6Si2O13 + SiO2)

metamorphic (man-made / anthropic)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Coral Rock (Coquina) (Biogenic Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Coral Rock (Coquina)

Biogenic Limestone (Calcium Carbonate - CaCO3)

Man-made Blank Ammunition (Brass) (CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)) — Anticrystalline / Synthetic Alloy

Man-made Blank Ammunition (Brass)

CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)

Anticrystalline / Synthetic Alloy

Titanium Aura Quartz (Silicon Dioxide (SiO2) coated with Titanium and Niobium) — mineral

Titanium Aura Quartz

Silicon Dioxide (SiO2) coated with Titanium and Niobium

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Tumbled milky quartz pebble (Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety) — mineral

Tumbled milky quartz pebble

Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety

Possible basalt or iron-rich slag (Basalt (tentative; identification uncertain from image)) — igneous

Possible basalt or iron-rich slag

Basalt (tentative; identification uncertain from image)

Chert (Chocolate or Brown Flint) (Chert (SiO2)) — sedimentary

Chert (Chocolate or Brown Flint)

Chert (SiO2)

Sandstone (Arenite (variable SiO2 composition)) — sedimentary

Sandstone

Arenite (variable SiO2 composition)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Sandstone (with iron staining) (Quartz Arenite / Ferruginous Sandstone) — sedimentary

Sandstone (with iron staining)

Quartz Arenite / Ferruginous Sandstone

Ferrous Slag (Iron Smelting By-product) (Fused Siliceous Slag) — Anthropogenic Material (Man-made Rock)

Ferrous Slag (Iron Smelting By-product)

Fused Siliceous Slag

Anthropogenic Material (Man-made Rock)

Coquina (Bioclastic Limestone (Calcium Carbonate, CaCO3)) — sedimentary

Coquina

Bioclastic Limestone (Calcium Carbonate, CaCO3)

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

Chert (Black Flint)

Silicon Dioxide (SiO2)

Engineerged Quartz (Quartz Composite) (SiO2 (Silicon Dioxide) in a polymer resin matrix) — mineral

Engineerged Quartz (Quartz Composite)

SiO2 (Silicon Dioxide) in a polymer resin matrix

Slag (Industrial Glass/Metal) (Ferrous slag or Glassy silicate byproduct) — Antropogenic rock (Man-made)

Slag (Industrial Glass/Metal)

Ferrous slag or Glassy silicate byproduct

Antropogenic rock (Man-made)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Tumbled milky quartz (Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible) — mineral

Tumbled milky quartz

Quartz — silicon dioxide (SiO₂), cryptocrystalline or microcrystalline variety possible

Concrete or asphalt-like aggregate surface with a dark fragment (Uncertain; likely artificial concrete containing mixed lithic aggregate, not a natural rock) — sedimentary

Concrete or asphalt-like aggregate surface with a dark fragment

Uncertain; likely artificial concrete containing mixed lithic aggregate, not a natural rock

Quartzite (Metamorphic quartz rock (SiO2)) — metamorphic

Quartzite

Metamorphic quartz rock (SiO2)

Sandstone (likely Quartzose Sandstone) (Arenite) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite

Gold ring with a dark, possibly gemstone setting (Gold alloy; the dark setting is not identifiable from the image) — gemstone

Gold ring with a dark, possibly gemstone setting

Gold alloy; the dark setting is not identifiable from the image

Chert (Flint) (Chert (Cryptocrystalline Silica, SiO2)) — sedimentary

Chert (Flint)

Chert (Cryptocrystalline Silica, SiO2)

Chert (varietal Chalcedony or Flint) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (varietal Chalcedony or Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Opalite (Synthetic Glass (SiO2 + impurities)) — mineral

Opalite

Synthetic Glass (SiO2 + impurities)

Opalite (Synthetic Glass (typically Silica/Magnesium based with metal additives)) — mineral

Opalite

Synthetic Glass (typically Silica/Magnesium based with metal additives)

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

Silicon Carbide (Carborundum)

Silicon Carbide (SiC) / Moissanite (natural)

Titanium-Coated Hematite (Aura Hematite) (Titanium-bonded Hematite (Fe2O3 with a Ti coating)) — mineral

Titanium-Coated Hematite (Aura Hematite)

Titanium-bonded Hematite (Fe2O3 with a Ti coating)

Sea Glass (Amorphous Silicon Dioxide (Man-made glass weathered by nature)) — mineral

Sea Glass

Amorphous Silicon Dioxide (Man-made glass weathered by nature)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Unidentified gray metallic object (Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material) — mineral

Unidentified gray metallic object

Not determinable from the image; likely a metal screw or manufactured fastener rather than geological material

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

Sandstone

Arenite (composed primarily of SiO2)

Green Sea Glass (Amorphous Silica (man-made glass), SiO2 + additive metal oxides) — mineraloid / anthropogenic (man-made origin)

Green Sea Glass

Amorphous Silica (man-made glass), SiO2 + additive metal oxides

mineraloid / anthropogenic (man-made origin)

Slag Glass (Cullet) (Amorphous Silica (man-made), primarily SiO2 with trace metal oxides) — Mineraloid / Synthetic Glass

Slag Glass (Cullet)

Amorphous Silica (man-made), primarily SiO2 with trace metal oxides

Mineraloid / Synthetic Glass

Opalite (Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)) — mineraloid

Opalite

Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)