Rock Identifier

Category

Man Made Rock (Sedimentary Analogue)

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

Nuummite (Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)) — metamorphic

Nuummite

Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)

Specular Hematite (Specularite (Fe2O3)) — mineral

Specular Hematite

Specularite (Fe2O3)

Quartz Geode (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2)

Chert (Jasper/Agate variety) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (Jasper/Agate variety)

Microcrystalline quartz (SiO2)

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

Chert (Jasper/Flint variant)

Silicon Dioxide (SiO2)

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

Chert / Jasper

Microcrystalline Quartz (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Carnelian (Carnelian (a variety of Chalcedony, SiO2)) — mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO2)

Quartz (Double-Terminated) (Silicon Dioxide (SiO2)) — mineral

Quartz (Double-Terminated)

Silicon Dioxide (SiO2)

Pink Granite Gneiss (Granitic Gneiss) — metamorphic

Pink Granite Gneiss

Granitic Gneiss

Quartz (Crystalline Cluster) (Silicon Dioxide (SiO2)) — mineral

Quartz (Crystalline Cluster)

Silicon Dioxide (SiO2)

Blue Chalcedony (Cryptocrystalline Quartz (SiO2)) — mineral

Blue Chalcedony

Cryptocrystalline Quartz (SiO2)

Ferruginous Quartz (Carnelian-tinted Quartz) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Ferruginous Quartz (Carnelian-tinted Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Quartz (Milky/Vein Quartz)

Silicon Dioxide (SiO2)

Yellow Jasper (Chalcedony (Silicon Dioxide, SiO2)) — sedimentary (microcrystalline quartz)

Yellow Jasper

Chalcedony (Silicon Dioxide, SiO2)

sedimentary (microcrystalline quartz)

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

Honey Calcite (Yellow Calcite)

Calcium Carbonate (CaCO3)

Quartz (Milky or Clear Quartz fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade regional metamorphic rock)

Jasper (Jasper (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Jasper

Jasper (Cryptocrystalline variety of Quartz, SiO2)

Banded Iron Formation (Tiger Iron variant) (Banded Iron Formation (SiO2 + Fe2O3)) — sedimentary

Banded Iron Formation (Tiger Iron variant)

Banded Iron Formation (SiO2 + Fe2O3)

Sandstone (likely Navajo Sandstone) (Arenite (primarily SiO2)) — sedimentary

Sandstone (likely Navajo Sandstone)

Arenite (primarily SiO2)

Moqui Marble (Iron Concretion) (Iron Oxide Concretion (Goethite/Hematite Cemented Sandstone)) — sedimentary

Moqui Marble (Iron Concretion)

Iron Oxide Concretion (Goethite/Hematite Cemented Sandstone)

Wonderstone (Liesegang Sandstone) (Silicified Sandstone with Liesegang Rings (SiO2 + FeO(OH))) — sedimentary

Wonderstone (Liesegang Sandstone)

Silicified Sandstone with Liesegang Rings (SiO2 + FeO(OH))

Ironstone Concretion / Hematite Nodules (Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))) — sedimentary

Ironstone Concretion / Hematite Nodules

Ferruginous Sedimentary Rock (primarily Hematite Fe2O3 and Goethite FeO(OH))

Gneiss (Schistose) (Gneiss) — metamorphic

Gneiss (Schistose)

Gneiss

Rugose Coral (Horn Coral) Fossil in Limestone (Order Rugosa (commonly Grewingkia or Zaphrentis genus)) — sedimentary

Rugose Coral (Horn Coral) Fossil in Limestone

Order Rugosa (commonly Grewingkia or Zaphrentis genus)

Fossiliferous Limestone with Brachiopod Mold (Calcium Carbonate (CaCO3) matrix containing Brachiopoda fossil impressions) — sedimentary

Fossiliferous Limestone with Brachiopod Mold

Calcium Carbonate (CaCO3) matrix containing Brachiopoda fossil impressions

Coquina / Fossiliferous Limestone (Biogenic Limestone (Calcium Carbonate - CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate - CaCO3)

Chert (Brown variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Brown variety)

Silicon Dioxide (SiO2)

Jasper (Iron-stained Quartz) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Mica Schist (Mica Schist (primarily Muscovite and Quartz)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Chert (White/Light Tan) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (White/Light Tan)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Greenschist (Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)) — metamorphic

Greenschist

Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)

Calcite (Yellow/Orange variety - sometimes called Honey Calcite) (Calcite) — Mineral

Calcite (Yellow/Orange variety - sometimes called Honey Calcite)

Calcite

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Hematite/Limonite) inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Hematite/Limonite) inclusions

Banded Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Crazy Lace Agate (Chalcedony (SiO2) with microcrystalline quartz) — sedimentary

Crazy Lace Agate

Chalcedony (SiO2) with microcrystalline quartz

Green Moss Agate (Silicon Dioxide (SiO2) with Mineral Inclusions) — sedimentary

Green Moss Agate

Silicon Dioxide (SiO2) with Mineral Inclusions

Petoskey Stone (Hexagonaria percarinata (Fossilized Rugose Coral)) — sedimentary

Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

Red Sandstone (Arenite (primarily Quartz and Iron Oxide)) — sedimentary

Red Sandstone

Arenite (primarily Quartz and Iron Oxide)