Rock Identifier

Category

Sedimentary (Artificial)

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

Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

metamorphic
Angelite (Anhydrite (Calcium Sulfate, CaSO4)) — mineral

Angelite

Anhydrite (Calcium Sulfate, CaSO4)

mineral
Garnet (Almandine) (Almandine (Fe3Al2(SiO4)3)) — metamorphic

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

metamorphic
Marble (Recrystallized Calcite (CaCO3) Rock) — metamorphic

Marble

Recrystallized Calcite (CaCO3) Rock

metamorphic
Marble (Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)) — metamorphic

Marble

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

metamorphic
Bumblebee Jasper (Calcite with Arsenic and Manganese oxides (technically a volcanic rock)) — igneous

Bumblebee Jasper

Calcite with Arsenic and Manganese oxides (technically a volcanic rock)

igneous
Chert (often called Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Calcite (Iceland Spar) (Calcite (Calcium Carbonate, CaCO3)) — mineral

Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

mineral
Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

mineral
Chalcedony (Common Opal variant or Quartz) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Common Opal variant or Quartz)

Silicon Dioxide (SiO2)

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

Chalcedony (Agate)

Silicon Dioxide (SiO2)

mineral
Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

sedimentary
Satin Spar Selenite (Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — mineral

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

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

Yellow Calcite

Calcium Carbonate (CaCO3)

mineral
Quartz (Chert/Chalcedony flake) (Silicon Dioxide (SiO2)) — mineral

Quartz (Chert/Chalcedony flake)

Silicon Dioxide (SiO2)

mineral
Fancy Jasper (Silicon Dioxide (SiO2)) — sedimentary

Fancy Jasper

Silicon Dioxide (SiO2)

sedimentary
Galena (Lead(II) sulfide (PbS)) — mineral

Galena

Lead(II) sulfide (PbS)

mineral
Quartz (likely Rose or Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (likely Rose or Milky Quartz)

Silicon Dioxide (SiO2)

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

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Milky/Clear Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Clear Fragment)

Silicon Dioxide (SiO2)

mineral
Red Jasper (Chalcedony) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Red Jasper (Chalcedony)

Silicon Dioxide (SiO2) with iron oxide inclusions

mineral
Potassium Feldspar (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar

Orthoclase (KAlSi3O8)

mineral
Biotite Schist (Biotite Gneiss/Schist (approximate formula K(Mg,Fe)3AlSi3O10(OH)2)) — metamorphic

Biotite Schist

Biotite Gneiss/Schist (approximate formula K(Mg,Fe)3AlSi3O10(OH)2)

metamorphic
Quartz (Small Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Pebble)

Silicon Dioxide (SiO2)

mineral
Chert (with Quartz) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Quartz)

Microcrystalline Quartz (SiO2)

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

Quartz Geode

Silicon Dioxide (SiO2) - Crystalline Quartz

mineral
Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

metamorphic
Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

mineral
Chalcedony (Agate/Seashell replacement) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony (Agate/Seashell replacement)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

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

Chert (Flint)

Chert (SiO2)

sedimentary
Chert (Flint/Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint/Jasper)

Silicon Dioxide (SiO2)

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

Quartz Geode

Crystalline Silicon Dioxide (SiO2)

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

Chert (Flint)

Chert (SiO2)

sedimentary
Emerald (Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium

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

Chert (Flint)

Silicon Dioxide (SiO2)

sedimentary
Amber Chert (Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Amber Chert (Jasper)

Microcrystalline Quartz (SiO2)

sedimentary
Jasper (Silicon dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide impurities

sedimentary
Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

sedimentary
Chert (varieties: Flint or Chalcedony) (Microcrystalline silica (SiO2)) — sedimentary

Chert (varieties: Flint or Chalcedony)

Microcrystalline silica (SiO2)

sedimentary