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

Yellow chalcedony or citrine-like polished stone (Chalcedony (microcrystalline quartz, SiO₂), possibly dyed or artificially illuminated; exact identification is uncertain from the image) — gemstone

Yellow chalcedony or citrine-like polished stone

Chalcedony (microcrystalline quartz, SiO₂), possibly dyed or artificially illuminated; exact identification is uncertain from the image

Banded malachite cabochon (Malachite, Cu₂CO₃(OH)₂; the dark bands may be manganese-oxide or other sulfide-rich matrix, and could also indicate a composite or treated specimen) — mineral

Banded malachite cabochon

Malachite, Cu₂CO₃(OH)₂; the dark bands may be manganese-oxide or other sulfide-rich matrix, and could also indicate a composite or treated specimen

Smoky Quartz (SiO2 (Silicon Dioxide)) — Mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Smoky Quartz (Smoky Quartz (SiO2)) — Mineral

Smoky Quartz

Smoky Quartz (SiO2)

Citrine (Quartz (SiO₂)) — mineral

Citrine

Quartz (SiO₂)

Polished blue stone, likely sodalite or dyed quartz (Possibly sodalite (Na₈Al₆Si₆O₂₄Cl₂) or artificially dyed quartz/chalcedony; image alone is inconclusive) — mineral

Polished blue stone, likely sodalite or dyed quartz

Possibly sodalite (Na₈Al₆Si₆O₂₄Cl₂) or artificially dyed quartz/chalcedony; image alone is inconclusive

Smoky Quartz (Quartz (SiO₂)) — Mineral

Smoky Quartz

Quartz (SiO₂)

Blue Lace Agate (Chalcedony (a form of Quartz) - SiO2) — Mineral

Blue Lace Agate

Chalcedony (a form of Quartz) - SiO2

Ocean Jasper (Orbicular Jasper (variety of Chalcedony - SiO2)) — Mineral

Ocean Jasper

Orbicular Jasper (variety of Chalcedony - SiO2)

Goldstone (N/A (Synthetic Glass with Copper Inclusions)) — Manufactured Glass

Goldstone

N/A (Synthetic Glass with Copper Inclusions)

Manufactured Glass

Fossiliferous Sedimentary Rock (Sedimentary limestone with invertebrate fossil imprint) — fossil

Fossiliferous Sedimentary Rock

Sedimentary limestone with invertebrate fossil imprint

Sandstone or Siltstone (Arenite (if sandstone)) — Sedimentary

Sandstone or Siltstone

Arenite (if sandstone)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Shale (Shale (clastic sedimentary rock)) — sedimentary

Shale

Shale (clastic sedimentary rock)

Shale (or Mudstone/Siltstone) (Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)) — sedimentary

Shale (or Mudstone/Siltstone)

Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)

Generic Pebble / Rock Fragment (Lithic fragment / Weathered rock) — sedimentary

Generic Pebble / Rock Fragment

Lithic fragment / Weathered rock

Sedimentary Sandstone (Arenite (Sedimentary Rock)) — sedimentary

Sedimentary Sandstone

Arenite (Sedimentary Rock)

Fossiliferous Concretion (Septarian Concretion containing Brachiopods/Crinoids) — fossil

Fossiliferous Concretion

Septarian Concretion containing Brachiopods/Crinoids

Shale (Sedimentary Shale) — sedimentary

Shale

Sedimentary Shale

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Shale (Argillaceous sedimentary rock) — sedimentary

Shale

Argillaceous sedimentary rock

Mudstone (Argillite / Siliciclastic sedimentary rock) — sedimentary

Mudstone

Argillite / Siliciclastic sedimentary rock

Shale and Pebble Fragment (Sedimentary Rock (Mudstone/Shale with Silica Pebble)) — sedimentary

Shale and Pebble Fragment

Sedimentary Rock (Mudstone/Shale with Silica Pebble)

Banded Siltstone / Mudstone Pebble (Siltstone / Argillite) — sedimentary

Banded Siltstone / Mudstone Pebble

Siltstone / Argillite

Brown Sandstone (River Rock) (Arenite) — sedimentary

Brown Sandstone (River Rock)

Arenite

Shale fragment (Shale (clay mineral rich sedimentary rock)) — sedimentary

Shale fragment

Shale (clay mineral rich sedimentary rock)

Shale / Mudstone (Sedimentary rock (Claystone / Mudstone / Shale)) — sedimentary

Shale / Mudstone

Sedimentary rock (Claystone / Mudstone / Shale)

Sandstone Grain (Clastic Sedimentary Rock Grain (SiO2 dominated)) — sedimentary

Sandstone Grain

Clastic Sedimentary Rock Grain (SiO2 dominated)

Shale or Slaty Mudstone (Argillaceous sedimentary rock) — sedimentary

Shale or Slaty Mudstone

Argillaceous sedimentary rock

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2 with Fe2O3)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3)

Siltstone / Slate (Siltstone / Low-grade Slate) — sedimentary

Siltstone / Slate

Siltstone / Low-grade Slate

Sandstone pebble (Sandstone (mainly Quartz, SiO2)) — sedimentary

Sandstone pebble

Sandstone (mainly Quartz, SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Weathered Sedimentary Rock (Sedimentary Rock) — Sedimentary

Weathered Sedimentary Rock

Sedimentary Rock

Cone-in-cone structure (Limestone) (Cone-in-cone structure (Secondary Sedimentary Structure)) — sedimentary

Cone-in-cone structure (Limestone)

Cone-in-cone structure (Secondary Sedimentary Structure)

Slate (Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals and quartz) — metamorphic

Slate

Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals and quartz

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone or Mudstone (Sedimentary Rock) — sedimentary

Sandstone or Mudstone

Sedimentary Rock

Fossil Assortment and Geological Specimens (Various (including Ammonoidea)) — fossil

Fossil Assortment and Geological Specimens

Various (including Ammonoidea)

Chert Breccia (Brecciated Chert (Microcrystalline Silica)) — sedimentary

Chert Breccia

Brecciated Chert (Microcrystalline Silica)

Sandstone (with man-made markings) (Arenite (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)