Rock Identifier

Category

Sedimentary (Anthropogenic)

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

Learn about Sedimentary (Anthropogenic) in the encyclopedia

View all →
Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Coal

Coal

Kambaba Jasper

Kambaba Jasper

Limestone

Limestone

Asphalt Rock

Claystone

Claystone

Mudstone

Mudstone

Sapropel

Sapropel

Bituminous Shale

Bituminous Shale

Carnelian (SiO2 (Silicon dioxide)) — mineral

Carnelian

SiO2 (Silicon dioxide)

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

Quartz Geode

Silicon Dioxide (SiO2)

sedimentary
Rounded pebble, likely quartz-rich sandstone or chert (Indeterminate lithic clast; possibly quartz arenite or microcrystalline quartz (SiO₂)) — sedimentary

Rounded pebble, likely quartz-rich sandstone or chert

Indeterminate lithic clast; possibly quartz arenite or microcrystalline quartz (SiO₂)

sedimentary
Jasper (Silicon Dioxide (SiO2)) — sedimentary

Jasper

Silicon Dioxide (SiO2)

sedimentary
Leopard Skin Jasper (Microcrystalline Quartz (SiO2) with mineral impurities) — sedimentary

Leopard Skin Jasper

Microcrystalline Quartz (SiO2) with mineral impurities

sedimentary
Quartz (Agate/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Agate/Chalcedony)

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Agate (Silicon dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon dioxide (Chalcedony), SiO2

sedimentary
Quartz (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

mineral
Tumbled Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Tumbled Rose Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Flint

Microcrystalline Quartz (SiO2)

sedimentary
Raw Calcite (Calcium Carbonate (CaCO3)) — mineral

Raw Calcite

Calcium Carbonate (CaCO3)

mineral
Pyrite-bearing Rock (Iron Sulfide (FeS2) associated with host rock) — mineral

Pyrite-bearing Rock

Iron Sulfide (FeS2) associated with host rock

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Orange Calcite

Calcium Carbonate (CaCO3)

mineral
White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

mineral
Limonite (FeO(OH)·n(H2O)) — mineral

Limonite

FeO(OH)·n(H2O)

mineral
Mixed Rock Collection (Polylithic Geological Specimen Mix) — sedimentary and igneous

Mixed Rock Collection

Polylithic Geological Specimen Mix

sedimentary and igneous
Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

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

Flint (Chert)

Silicon Dioxide (SiO2)

sedimentary
Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

mineral
Chalcedony / Agate Nodule (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony / Agate Nodule

Silicon Dioxide (SiO2)

sedimentary
Epidote with Quartz Vein (Epidote-bearing metamorphic rock with quartz (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Epidote with Quartz Vein

Epidote-bearing metamorphic rock with quartz (Ca2(Al,Fe)3(SiO4)3(OH))

metamorphic
Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

sedimentary
Amethyst Geode (Quartz (Silicon Dioxide, SiO2) with iron impurities) — mineral

Amethyst Geode

Quartz (Silicon Dioxide, SiO2) with iron impurities

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

Orange Calcite

Calcium Carbonate (CaCO3)

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

Limonite

FeO(OH)·nH2O

mineral
White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

mineral
White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

mineral
Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

mineral
Fuchsite (Green Muscovite / Mica Schist) (Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Fuchsite (Green Muscovite / Mica Schist)

Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

metamorphic
Quartz (Yellow/Iron-stained Quartzite or Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Yellow/Iron-stained Quartzite or Chalcedony)

Silicon Dioxide (SiO2)

mineral
Chalcedony / Quartz Nodule (Agate Pebble) (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Quartz Nodule (Agate Pebble)

Silicon Dioxide (SiO2)

mineral
Carnelian Agate (Silicon Dioxide (Chalcedony variety)) — mineral

Carnelian Agate

Silicon Dioxide (Chalcedony variety)

mineral
Flint (Silicon dioxide (SiO2)) — sedimentary

Flint

Silicon dioxide (SiO2)

sedimentary
Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

mineral
Mica Schist (Schist (biotite/muscovite schist)) — metamorphic

Mica Schist

Schist (biotite/muscovite schist)

metamorphic
Quartz (Chalcedony / Rough Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chalcedony / Rough Quartz Pebble)

Silicon Dioxide (SiO2)

mineral
Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

mineral