Rock Identifier

Category

Man Made Rock (Sedimentary Analogue)

Browse man made rock (sedimentary analogue) specimens identified by the Rock Identifier community.

Learn about Man Made Rock (Sedimentary Analogue) in the encyclopedia

Rock Gypsum

Asphalt Rock

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Conglomerate

Breccia

Ironstone

Limestone

Claystone

Goldstone

Diatomite

Anorthosite

Granite (Granite (a phaneritic intrusive igneous rock)) — igneous

Granite

Granite (a phaneritic intrusive igneous rock)

Coquina (Bioclastic Limestone) — sedimentary

Coquina

Bioclastic Limestone

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Brecciated Jasper (Brecciated Jasper (Microcrystalline Quartz / SiO2)) — sedimentary

Brecciated Jasper

Brecciated Jasper (Microcrystalline Quartz / SiO2)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Flint (SiO2 (Cryptocrystalline Quartz)) — sedimentary

Flint

SiO2 (Cryptocrystalline Quartz)

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Unakite (Altered Granite (Epidotized Granite)) — metamorphic

Unakite

Altered Granite (Epidotized Granite)

Granite (Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)) — igneous

Granite

Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Tumbled chalcedony (likely milky quartz) (Microcrystalline quartz, SiO₂; possibly pale agate or quartzite) — mineral

Tumbled chalcedony (likely milky quartz)

Microcrystalline quartz, SiO₂; possibly pale agate or quartzite

Black-and-white agate geode pendant (Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz) — mineral

Black-and-white agate geode pendant

Agate (microcrystalline quartz, SiO₂), likely a hollow geode slice with chalcedony and drusy quartz

Blue Sea Glass (Amorphous Silica (Anthropogenic glass)) — not a rock (man-made origin)

Blue Sea Glass

Amorphous Silica (Anthropogenic glass)

not a rock (man-made origin)

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

Chert (Honey Chert / Flint)

Silicon Dioxide (SiO2)

Flint (Silicon dioxide (Microcrystalline Quartz / Chert)) — sedimentary

Flint

Silicon dioxide (Microcrystalline Quartz / Chert)

Chert (or Flint) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (or Flint)

Microcrystalline quartz (SiO2)

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

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

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

Chert (Jasper/Flint)

Silicon Dioxide (SiO2)

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

Flint / Chert Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Flint / Chert Pebble

Microcrystalline Quartz (SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Granite (Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Slate (Metamorphic pelitic rock) — metamorphic

Slate

Metamorphic pelitic rock

Diorite (River Pebble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Pebble)

Intermediate plutonic igneous rock

Flaked stone projectile point (Likely worked chert or fine-grained silicified shale; exact lithology cannot be confirmed from the image) — metamorphic

Flaked stone projectile point

Likely worked chert or fine-grained silicified shale; exact lithology cannot be confirmed from the image

Granodiorite (Granodiorite (Quartz + Plagioclase + Alkali Feldspar + Biotite/Hornblende)) — igneous

Granodiorite

Granodiorite (Quartz + Plagioclase + Alkali Feldspar + Biotite/Hornblende)

Basalt (Basalt (containing plagioclase, pyroxene, and olivine)) — igneous

Basalt

Basalt (containing plagioclase, pyroxene, and olivine)

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Tumbled blue stone, likely blue calcite or dyed stone (Probably calcite (CaCO₃); exact identification is uncertain from the blurred image) — mineral

Tumbled blue stone, likely blue calcite or dyed stone

Probably calcite (CaCO₃); exact identification is uncertain from the blurred image

Tumbled hematite (Hematite (Fe₂O₃), likely specular or massive hematite) — mineral

Tumbled hematite

Hematite (Fe₂O₃), likely specular or massive hematite

Slag (Ferrous Slag (Siliceous industrial waste)) — Anthropogenic (Man-made industrial byproduct)

Slag

Ferrous Slag (Siliceous industrial waste)

Anthropogenic (Man-made industrial byproduct)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Small dark rock fragment (Uncertain; possibly weathered basalt or slag) — mineral

Small dark rock fragment

Uncertain; possibly weathered basalt or slag

Synthetic Marbled Aggregate (Footwear Component) (Ethylene-vinyl acetate (Croslite™)) — not a rock (man-made polymer)

Synthetic Marbled Aggregate (Footwear Component)

Ethylene-vinyl acetate (Croslite™)

not a rock (man-made polymer)

Shale (Laminated Mudstone (Shale)) — sedimentary

Shale

Laminated Mudstone (Shale)

Dark, weathered stone—possibly basalt or slag (Indeterminate; likely fine-grained basalt (plagioclase–pyroxene)) — igneous

Dark, weathered stone—possibly basalt or slag

Indeterminate; likely fine-grained basalt (plagioclase–pyroxene)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

White-and-dark marble or agate-style gemstone bead bracelet (Likely calcite-rich marble (CaCO₃) mixed with dark gray stone beads; exact material is uncertain from the photo) — metamorphic

White-and-dark marble or agate-style gemstone bead bracelet

Likely calcite-rich marble (CaCO₃) mixed with dark gray stone beads; exact material is uncertain from the photo

Fine-grained gray stone, possibly slate (Slate (fine-grained metamorphosed mudstone); identification is uncertain from the image) — metamorphic

Fine-grained gray stone, possibly slate

Slate (fine-grained metamorphosed mudstone); identification is uncertain from the image