Rock Identifier

Category

Sedimentary (Imitation)

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

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Clear Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

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

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

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

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

Heliotrope (Bloodstone) (Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)) — mineral

Heliotrope (Bloodstone)

Cryptocrystalline Quartz (SiO2) with inclusions of Hematite (Fe2O3)

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist

Chalcedony (Grey/White Agate) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Grey/White Agate)

Silicon Dioxide (SiO₂)

Specular Hematite (Specularite) (Iron(III) oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron(III) oxide (Fe2O3)

Granitic Gneiss (Gneiss (containing Potassium Feldspar and Quartz)) — metamorphic

Granitic Gneiss

Gneiss (containing Potassium Feldspar and Quartz)

Banded Chert (Agate) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (Agate)

Silicon Dioxide (SiO2)

Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Carnelian Agate (Chalcedony (Silicon Dioxide, SiO2) with Iron Oxide impurities) — mineral

Carnelian Agate

Chalcedony (Silicon Dioxide, SiO2) with Iron Oxide impurities

Muscovite Mica (with Schist) (Muscovite - KAl2(AlSi3O10)(OH)2) — metamorphic

Muscovite Mica (with Schist)

Muscovite - KAl2(AlSi3O10)(OH)2

Specular Hematite (Iron Oxide (Fe2O3)) — mineral

Specular Hematite

Iron Oxide (Fe2O3)

Chert (Chalcedony/Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Agate)

Microcrystalline Quartz (SiO2)

Halite (Halite (Sodium Chloride, NaCl)) — mineral

Halite

Halite (Sodium Chloride, NaCl)

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

Quartz Geode Fragment

Silicon Dioxide (SiO2)

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

Chert (variant Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartz Geode with Goethite/Hematite (Silicon Dioxide (SiO2) with Iron Oxides) — mineral

Quartz Geode with Goethite/Hematite

Silicon Dioxide (SiO2) with Iron Oxides

Red Jasper (Jasper (Silicate mineral - SiO2)) — sedimentary

Red Jasper

Jasper (Silicate mineral - SiO2)

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

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Chert (Black Chert/Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Black Chert/Flint)

Chert (Silicon Dioxide, SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Flexicalymene Trilobite Fossil (Flexicalymene meeki (Order Phacopida, Family Calymenidae)) — sedimentary

Flexicalymene Trilobite Fossil

Flexicalymene meeki (Order Phacopida, Family Calymenidae)

Blue Chalcedony (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Kambaba Jasper (Crocodile Jasper) (Rhyolite containing Fossilized Cyanobacteria (Stromatolite)) — sedimentary

Kambaba Jasper (Crocodile Jasper)

Rhyolite containing Fossilized Cyanobacteria (Stromatolite)

Red Jasper (Silicon Dioxide (SiO2) - variety Jasper) — mineral

Red Jasper

Silicon Dioxide (SiO2) - variety Jasper

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

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

Red Garnet

Almandine Garnet (Fe3Al2(SiO4)3)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Amber (specifically Red or Cherry Amber) (Succinite (Resinite); Chemical formula: C10H16O) — Mineraloid

Amber (specifically Red or Cherry Amber)

Succinite (Resinite); Chemical formula: C10H16O

Quartz Vein in Pelite (Metamorphic Rock) (Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)) — metamorphic

Quartz Vein in Pelite (Metamorphic Rock)

Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)

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

Flint (Chert)

Cryptocrystalline Quartz (SiO2)

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

Chert (Nodule)

Microcrystalline Quartz (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Opal

Hydrated Silica (SiO2·nH2O)

Yellow Jasper (Chalcedony (SiO2) with iron oxide inclusions) — mineral

Yellow Jasper

Chalcedony (SiO2) with iron oxide inclusions

Chalcedony (Botryoidal/Tumbled Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Botryoidal/Tumbled Agate)

Silicon Dioxide (SiO2)

Satin Spar (often marketed as Selenite) (Fibrous Gypsum (CaSO4·2H2O)) — mineral

Satin Spar (often marketed as Selenite)

Fibrous Gypsum (CaSO4·2H2O)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)