Rock Identifier

Category

Sedimentary (Artificial)

Browse sedimentary (artificial) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Artificial) in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Coal

Kambaba Jasper

Limestone

Asphalt Rock

Claystone

Mudstone

Sapropel

Bituminous Shale

Bituminous Shale

Tumbled Quartz (Silicon Dioxide (SiO2)) — mineral

Tumbled Quartz

Silicon Dioxide (SiO2)

Conglomerate (possibly breccia) (Polymictic clastic conglomerate; rounded clasts in a dark, likely volcanic-lithic matrix) — sedimentary

Conglomerate (possibly breccia)

Polymictic clastic conglomerate; rounded clasts in a dark, likely volcanic-lithic matrix

Weathered limestone or calcareous sandstone (Calcite-rich carbonate rock, predominantly CaCO₃; possibly fossiliferous limestone) — sedimentary

Weathered limestone or calcareous sandstone

Calcite-rich carbonate rock, predominantly CaCO₃; possibly fossiliferous limestone

Tiger's Eye Beads (Silicon dioxide with crocidolite inclusions (SiO2)) — gemstone

Tiger's Eye Beads

Silicon dioxide with crocidolite inclusions (SiO2)

Titanium Coated Agate Geode (Silicon Dioxide (SiO2) with metallic vapor coating) — mineral

Titanium Coated Agate Geode

Silicon Dioxide (SiO2) with metallic vapor coating

Blue Agate (Silicon Dioxide (Chalcedony), SiO2) — gemstone

Blue Agate

Silicon Dioxide (Chalcedony), SiO2

Likely basalt fragment (Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine) — igneous

Likely basalt fragment

Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine

Dyed Howlite (Dyed Red) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Dyed Howlite (Dyed Red)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Rounded limestone pebble (Micritic limestone, primarily calcite (CaCO₃)) — sedimentary

Rounded limestone pebble

Micritic limestone, primarily calcite (CaCO₃)

Blue Obsidian (Volcanic Glass (Amorphous)) — gemstone

Blue Obsidian

Volcanic Glass (Amorphous)

Blue Howlite (Dyed) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Blue Howlite (Dyed)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Green Banded Agate (Cryptocrystalline microcrystalline Quartz (SiO2)) — sedimentary

Green Banded Agate

Cryptocrystalline microcrystalline Quartz (SiO2)

Likely native metallic mineral specimen (Uncertain from photograph; possibly pyrite (FeS₂) or a sulfide-rich metallic ore) — mineral

Likely native metallic mineral specimen

Uncertain from photograph; possibly pyrite (FeS₂) or a sulfide-rich metallic ore

Concrete (Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)) — sedimentary (anthropogenic / man-made)

Concrete

Anthropogenic Sedimentary Rock (Hydrated Calcium Silicate)

sedimentary (anthropogenic / man-made)

Tumbled brown jasper or chert pebble (Microcrystalline quartz (SiO₂), likely jasper/chert) — sedimentary

Tumbled brown jasper or chert pebble

Microcrystalline quartz (SiO₂), likely jasper/chert

Dyed Quartz Cube (Silicon Dioxide (SiO2)) — mineral

Dyed Quartz Cube

Silicon Dioxide (SiO2)

Dyed turquoise-colored howlite or magnesite (likely imitation turquoise) (Howlite: Ca₂B₅SiO₉(OH)₅; magnesite: MgCO₃) — mineral

Dyed turquoise-colored howlite or magnesite (likely imitation turquoise)

Howlite: Ca₂B₅SiO₉(OH)₅; magnesite: MgCO₃

Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Pickled Dragon Eggs (Fictional Interpretation: Purple Agate or Amethyst Geodes)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Blue Agate (Chalcedony (SiO2)) — gemstone

Blue Agate

Chalcedony (SiO2)

Dyed Agate Tower (Silicon dioxide (Quartz variety, SiO2)) — gemstone

Dyed Agate Tower

Silicon dioxide (Quartz variety, SiO2)

Red Jade (Nephrite / Jadeite (dyed)) — gemstone

Red Jade

Nephrite / Jadeite (dyed)

Tumbled basalt pebble (Basalt, a fine-grained mafic volcanic rock; commonly plagioclase, pyroxene, and minor olivine or magnetite) — igneous

Tumbled basalt pebble

Basalt, a fine-grained mafic volcanic rock; commonly plagioclase, pyroxene, and minor olivine or magnetite

Dyed Agate (Agate (Silicon dioxide)) — Mineral

Dyed Agate

Agate (Silicon dioxide)

Crackle Agate / Dyed Quartz (SiO2 (Silicon Dioxide)) — mineral

Crackle Agate / Dyed Quartz

SiO2 (Silicon Dioxide)

Ceramic or Polished Stone Heart (Anthropogenic Material) (Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)) — Synthetic/Anthropogenic Mineraloid

Ceramic or Polished Stone Heart (Anthropogenic Material)

Glazed Ceramic (Silicon Dioxide based coating on Alumina Silicate body) or Polished Limestone/Marble (Calcium Carbonate, CaCO3)

Synthetic/Anthropogenic Mineraloid

Tumbled quartz-rich stone, possibly druzy quartz or chalcedony (Quartz/chalcedony (SiO₂); exact identification is uncertain from the photograph) — mineral

Tumbled quartz-rich stone, possibly druzy quartz or chalcedony

Quartz/chalcedony (SiO₂); exact identification is uncertain from the photograph

Porphyritic Basalt (likely artificially dyed or altered) (Basalt with plagioclase phenocrysts (likely treated)) — igneous

Porphyritic Basalt (likely artificially dyed or altered)

Basalt with plagioclase phenocrysts (likely treated)

Blue Agate (Dyed Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

Dyed blue howlite or magnesite (tumbled stone) (Howlite: Ca₂B₅SiO₉(OH)₅; commonly sold dyed blue to imitate turquoise) — mineral

Dyed blue howlite or magnesite (tumbled stone)

Howlite: Ca₂B₅SiO₉(OH)₅; commonly sold dyed blue to imitate turquoise

Dyed Agate (Chalcedony (SiO2)) — mineral

Dyed Agate

Chalcedony (SiO2)

Orange Calcite point (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite point

Calcite (Calcium Carbonate, CaCO3)

Dyed Quartz Geode (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz Geode

Silicon Dioxide (SiO2) with artificial pigment

Pink Dyed Agate (Silicon Dioxide (SiO2) with synthetic pigment) — mineral

Pink Dyed Agate

Silicon Dioxide (SiO2) with synthetic pigment

Slag (Anthropogenic silicate slag) — igneous

Slag

Anthropogenic silicate slag

Dyed Agate (SiO2) — Mineral

Dyed Agate

SiO2

Fossiliferous limestone (Calcitic limestone, predominantly CaCO₃ (calcite), with possible shell or coral fossils) — sedimentary

Fossiliferous limestone

Calcitic limestone, predominantly CaCO₃ (calcite), with possible shell or coral fossils

Polished leopard jasper (likely ocean jasper) (Silicified microcrystalline quartz/chalcedony; mainly SiO₂ with iron-oxide inclusions) — sedimentary

Polished leopard jasper (likely ocean jasper)

Silicified microcrystalline quartz/chalcedony; mainly SiO₂ with iron-oxide inclusions

Turquoise (Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O

Purple Agate (Dyed Chalcedony) (SiO2 (Silicon Dioxide) with organic dyes) — mineral

Purple Agate (Dyed Chalcedony)

SiO2 (Silicon Dioxide) with organic dyes

Dyed Blue Agate (Chalcedony (SiO2) with artificial dye) — gemstone

Dyed Blue Agate

Chalcedony (SiO2) with artificial dye

Pink Dyed Agate (Chalcedony (SiO2) with artificial dyes) — mineral

Pink Dyed Agate

Chalcedony (SiO2) with artificial dyes

Blue Dyed Agate (Chalcedony (SiO2) with artificial pigment) — mineral

Blue Dyed Agate

Chalcedony (SiO2) with artificial pigment