Rock Identifier

Category

Man Made Rock (Sedimentary Analogue)

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

Iron-Oxide Concretion (Moqui Marble) (Goethite/Hematite Concretion (Fe2O3 / FeO(OH))) — sedimentary

Iron-Oxide Concretion (Moqui Marble)

Goethite/Hematite Concretion (Fe2O3 / FeO(OH))

Ironstone Concretion (Moqui Marble) (Iron-oxide Concretion (Hydrated ferric oxide, Fe2O3·nH2O)) — sedimentary

Ironstone Concretion (Moqui Marble)

Iron-oxide Concretion (Hydrated ferric oxide, Fe2O3·nH2O)

Jasper (Green variety) (Silicon Dioxide (SiO₂)) — sedimentary

Jasper (Green variety)

Silicon Dioxide (SiO₂)

Jasper with Quartz Veining (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Jasper with Quartz Veining

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert / Pink Flint (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Pink Flint

Cryptocrystalline Quartz (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert / Flint (Cryptocrystalline quartz (SiO2)) — sedimentary

Chert / Flint

Cryptocrystalline quartz (SiO2)

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Fancy Jasper (Multicolor Agate/Jasper) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Fancy Jasper (Multicolor Agate/Jasper)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Red Jasper

Jasper (Silicon Dioxide with iron oxide inclusions), SiO2

Sandstone Concretion (Clastic sedimentary rock (primarily Silica, SiO2, or Calcium Carbonate, CaCO3)) — sedimentary

Sandstone Concretion

Clastic sedimentary rock (primarily Silica, SiO2, or Calcium Carbonate, CaCO3)

Quartz Druzy in Brecciated Matrix (Silicon Dioxide (SiO2) in Lithic Breccia) — sedimentary

Quartz Druzy in Brecciated Matrix

Silicon Dioxide (SiO2) in Lithic Breccia

Ocean Jasper (Orbicular Jasper (Silicon Dioxide, SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Fossiliferous Shale (with Vertebrate Bones) (Laminated Mudstone containing Fossilized Bone (Apatite)) — sedimentary

Fossiliferous Shale (with Vertebrate Bones)

Laminated Mudstone containing Fossilized Bone (Apatite)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

Gneiss (Metamorphic Rock) (Gneiss) — metamorphic

Gneiss (Metamorphic Rock)

Gneiss

Green Aventurine (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Red Jasper (Silicon dioxide (SiO2) with iron oxide (Fe2O3) inclusions) — sedimentary/mineral

Red Jasper

Silicon dioxide (SiO2) with iron oxide (Fe2O3) inclusions

sedimentary/mineral

Blue Banded Agate (Dyed) (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - variety of Chalcedony

River Chalcedony / Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

River Chalcedony / Agate

Chalcedony (Silicon Dioxide, SiO2)

Agate (Chalcedony) (Cryptocrystalline Silica or Silicon Dioxide (SiO2)) — mineral

Agate (Chalcedony)

Cryptocrystalline Silica or Silicon Dioxide (SiO2)

Pyrite on Quartz matrix (Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)) — mineral

Pyrite on Quartz matrix

Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)

Amethyst (Amethyst (Silicon Dioxide - SiO2 with iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with iron impurities)

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

Marble

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

Biotite Schist (Biotite Schist) — Metamorphic

Biotite Schist

Biotite Schist

Quartz Druzy (on Calcedony/Quartz base) (Silicon Dioxide (SiO2)) — mineral

Quartz Druzy (on Calcedony/Quartz base)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Fossilized Echinoid (Sea Urchin) (Echinoidea (Class), often found as calcitic fossils) — sedimentary

Fossilized Echinoid (Sea Urchin)

Echinoidea (Class), often found as calcitic fossils

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Chert (variably called Jasper or Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (variably called Jasper or Agate)

Microcrystalline Quartz (SiO2)

Ocean Jasper (Orbicular Jasper (Silicon Dioxide, SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Sandstone (Arenite (primarily Quartz Arenite)) — sedimentary

Sandstone

Arenite (primarily Quartz Arenite)

Tree Agate (Silicon Dioxide (SiO2) with Chlorite inclusions) — sedimentary

Tree Agate

Silicon Dioxide (SiO2) with Chlorite inclusions

Granitic Sand (Detrital sediment (predominantly Quartz, Feldspar, and Mica)) — sedimentary

Granitic Sand

Detrital sediment (predominantly Quartz, Feldspar, and Mica)

Chert Pebble with Quartz Veins (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble with Quartz Veins

Microcrystalline Quartz (SiO2)

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

Chert (and Flint)

Cryptocrystalline Quartz (SiO2)

Yellow Chert (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Yellow Chert

Sedimentary cryptocrystalline quartz (SiO2)

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)