Rock Identifier

Category

Sedimentary (Man Made)

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

Learn about Sedimentary (Man Made) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Limestone

Claystone

Sandstone

Marl

Rock Gypsum

Tripolite

Zincite

Diatomite

Lherzolite

Quartz (Chalcedony/Agate nodule) (Silicon dioxide (SiO2)) — mineral

Quartz (Chalcedony/Agate nodule)

Silicon dioxide (SiO2)

Flint (Silicon Dioxide (SiO2)) — sedimentary

Flint

Silicon Dioxide (SiO2)

Green Fluorite (Calcium fluoride (CaF2)) — mineral

Green Fluorite

Calcium fluoride (CaF2)

Red Hematite (Iron(III) oxide (Fe2O3)) — mineral

Red Hematite

Iron(III) oxide (Fe2O3)

Fluorite (Fluoride (Calcium Fluoride - CaF2)) — mineral

Fluorite

Fluoride (Calcium Fluoride - CaF2)

Fluorite (Calcium Fluoride (CaF2)) — Mineral

Fluorite

Calcium Fluoride (CaF2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite in Matrix (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix (Fool's Gold)

Iron Sulfide (FeS2)

Banded Sandstone (Beach Pebble) (Quartz Arenite Sandstone) — sedimentary

Banded Sandstone (Beach Pebble)

Quartz Arenite Sandstone

Siltstone / Shale River Rock (Siltstone (primarily SiO2 with Al2O3)) — sedimentary

Siltstone / Shale River Rock

Siltstone (primarily SiO2 with Al2O3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fluorite (translucent octahedral crystal) (Calcium fluoride (CaF2)) — mineral

Fluorite (translucent octahedral crystal)

Calcium fluoride (CaF2)

Unidentified dark reddish-brown rock or mineral specimen (Indeterminate from the blurred image; possibly iron-stained quartz, jasper, or a metallic sulfide-bearing rock) — mineral

Unidentified dark reddish-brown rock or mineral specimen

Indeterminate from the blurred image; possibly iron-stained quartz, jasper, or a metallic sulfide-bearing rock

Likely tumbled dark volcanic rock (Probably basalt or basaltic andesite; exact identification is uncertain from the image) — igneous

Likely tumbled dark volcanic rock

Probably basalt or basaltic andesite; exact identification is uncertain from the image

Granite (Granite) — igneous

Granite

Granite

Pink Granite (Fragment) (Pink Granite (dominated by Potassium Feldspar: KAlSi3O8)) — Igneous

Pink Granite (Fragment)

Pink Granite (dominated by Potassium Feldspar: KAlSi3O8)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Boji Stone (Pop Rocks or Moqui Marbles) (Iron-manganese oxide concretion (Goethite/Hematite/Jarosite)) — sedimentary

Boji Stone (Pop Rocks or Moqui Marbles)

Iron-manganese oxide concretion (Goethite/Hematite/Jarosite)

Polished Agate or Jasper-Agate (Silicon Dioxide (SiO2)) — sedimentary

Polished Agate or Jasper-Agate

Silicon Dioxide (SiO2)

Zebra Jasper (Silicon Dioxide (SiO2) with various inclusions) — metamorphic/sedimentary

Zebra Jasper

Silicon Dioxide (SiO2) with various inclusions

metamorphic/sedimentary

Dendritic Agate (Dendritic Agate (Silicon Dioxide with Manganese or Iron Oxide inclusions, SiO2)) — mineral

Dendritic Agate

Dendritic Agate (Silicon Dioxide with Manganese or Iron Oxide inclusions, SiO2)

Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

Leopard Skin Jasper (Jasper (Silicon Dioxide with impurities), SiO2) — sedimentary

Leopard Skin Jasper

Jasper (Silicon Dioxide with impurities), SiO2

Siltstone (Siltstone (Detrital Sedimentary Rock)) — sedimentary

Siltstone

Siltstone (Detrital Sedimentary Rock)

Coal (Carbonaceous sedimentary rock) — sedimentary

Coal

Carbonaceous sedimentary rock

Banded Sandstone / Quartzite with Mineral Veins (Sedimentary rock (Quartz arenite with iron oxide/silica banding)) — sedimentary

Banded Sandstone / Quartzite with Mineral Veins

Sedimentary rock (Quartz arenite with iron oxide/silica banding)

Sandstone with Manganese Dendrites/Oxide coatings (Arenite with Pyrolusite and Romanechite (MnO2)) — sedimentary

Sandstone with Manganese Dendrites/Oxide coatings

Arenite with Pyrolusite and Romanechite (MnO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)) — sedimentary

Sandstone

Arenite (Sedimentary rock composed of sand-sized minerals or rock grains)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Pyrite-bearing Rock / Pyrite Ore (Iron Sulfide (FeS2) in host rock matrix) — mineral

Pyrite-bearing Rock / Pyrite Ore

Iron Sulfide (FeS2) in host rock matrix

Quartz Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Rock

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Rhodochrosite (Rhodochrosite (MnCO3)) — mineral

Rhodochrosite

Rhodochrosite (MnCO3)

Quartz (Smoky/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Flint (Microcrystalline quartz (SiO2)) — sedimentary

Flint

Microcrystalline quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — Mineral / Sedimentary

Jasper

Silicon dioxide (SiO2)

Mineral / Sedimentary

Tumbled white chalcedony (likely milky quartz) (Chalcedony, microcrystalline SiO₂; possibly milky quartz) — mineral

Tumbled white chalcedony (likely milky quartz)

Chalcedony, microcrystalline SiO₂; possibly milky quartz

Chalcedony (likely common gray chalcedony) (Microcrystalline quartz, SiO₂) — mineral

Chalcedony (likely common gray chalcedony)

Microcrystalline quartz, SiO₂