Rock Identifier

Category

Sedimentary Like (Industrial Composite)

Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.

Learn about Sedimentary Like (Industrial Composite) in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Conglomerate

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Quartzite Sandstone

Quartzite Sandstone

Breccia

Ironstone

Sea Sediment Jasper

Argillite

Needle Tourmaline

Needle Tourmaline

Calc-Silicate Rock

Calc-Silicate Rock

Color-Change Tourmaline

Color-Change Tourmaline

Flint (or Chert) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint (or Chert)

Cryptocrystalline Quartz (SiO2)

Fossil Shell (Bivalve) (Class Bivalvia (Likely a member of the Ostreidae or Gryphaeidae family), CaCO3) — sedimentary

Fossil Shell (Bivalve)

Class Bivalvia (Likely a member of the Ostreidae or Gryphaeidae family), CaCO3

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Weathered Basalt with Iron Staining (Aphanitic Mafic Volcanic Rock) — igneous

Weathered Basalt with Iron Staining

Aphanitic Mafic Volcanic Rock

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Yellow Ochre (Limonite) (Limonite (FeO(OH)·nH2O)) — mineral

Yellow Ochre (Limonite)

Limonite (FeO(OH)·nH2O)

Ferruginous Quartz (SiO2 (Silicon Dioxide) with Iron Oxide inclusions (FeO(OH) / Fe2O3)) — mineral

Ferruginous Quartz

SiO2 (Silicon Dioxide) with Iron Oxide inclusions (FeO(OH) / Fe2O3)

Sandstone / Weathered Quartzite (Sandstone (Quartz Arenite)) — sedimentary

Sandstone / Weathered Quartzite

Sandstone (Quartz Arenite)

Sandstone (Arenite (primarily Quartz-based Sandstone)) — sedimentary

Sandstone

Arenite (primarily Quartz-based Sandstone)

Conglomerate (Clastic sedimentary rock (Puddingstone)) — sedimentary

Conglomerate

Clastic sedimentary rock (Puddingstone)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Fuchsite Quartzite (Fuchsite-bearing Quartzite) — Metamorphic

Fuchsite Quartzite

Fuchsite-bearing Quartzite

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Conglomerate (Conglomerate (a clastic sedimentary rock)) — Sedimentary Rock

Conglomerate

Conglomerate (a clastic sedimentary rock)

Sedimentary Rock

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Sandstone (likely Quartzose) (Sandstone (Principally SiO2)) — sedimentary

Sandstone (likely Quartzose)

Sandstone (Principally SiO2)

Quartz heart (likely milky/included quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Quartz heart (likely milky/included quartz)

Quartz, silicon dioxide (SiO₂)

Chalcedony (Chalcedony (SiO₂)) — Mineral

Chalcedony

Chalcedony (SiO₂)

Shale (Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)) — sedimentary

Shale

Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)

Iron-stained Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Iron-stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Flint Pebble

SiO2 (Microcrystalline Quartz / Chalcedony)

Blue-gray quartz-bearing metamorphic rock (likely gneiss or schist) (Quartz–feldspar–mica rock; exact identification requires testing) — metamorphic

Blue-gray quartz-bearing metamorphic rock (likely gneiss or schist)

Quartz–feldspar–mica rock; exact identification requires testing

Scoria (Red Lava Rock) (Scoria (Vesicular Basalt/Andesite)) — igneous

Scoria (Red Lava Rock)

Scoria (Vesicular Basalt/Andesite)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Ferruginous) (Arenite with Iron Oxides) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxides

Glauconite (Greensand) (Glauconite (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2) — sedimentary

Glauconite (Greensand)

Glauconite (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

Petrified Wood (Silicified wood (Quartz/Chalcedony replacement of organic matter)) — sedimentary

Petrified Wood

Silicified wood (Quartz/Chalcedony replacement of organic matter)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Sandstone with Trace Fossils (Arenite with Ichnofossils) — sedimentary

Sandstone with Trace Fossils

Arenite with Ichnofossils

Tourmaline (likely Schorl) (Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4) — Mineral

Tourmaline (likely Schorl)

Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4

Chert (Chert Nodule with Chalky Cortex) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Chert Nodule with Chalky Cortex)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Sandstone (with carbonaceous plant fragments) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (with carbonaceous plant fragments)

Arenite (composed primarily of SiO2)

Chalcedony (Agate / Quartz Geode Fragment) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate / Quartz Geode Fragment)

Silicon Dioxide (SiO2)

Quartz Sand Grain (Silicon Dioxide (SiO2)) — mineral

Quartz Sand Grain

Silicon Dioxide (SiO2)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Diamond (in jewelry setting) (Carbon (C)) — mineral

Diamond (in jewelry setting)

Carbon (C)