Rock Identifier

Category

Igneous Or Sedimentary

Browse igneous or sedimentary specimens identified by the Rock Identifier community.

Learn about Igneous Or Sedimentary in the encyclopedia

Carbonatite

Carbonatite

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Troctolite

Troctolite

Lamproite

Lamproite

Kimberlite

Kimberlite

Gabbro

Gabbro

Diorite

Diorite

Basalt

Basalt

Pyroxenite

Pyroxenite

Biotite Mica (K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2) — Mineral

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Aquamarine (Beryl (Be3Al2Si6O18), specifically the blue-green variety) — Mineral

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Bivalve Fossil in Sedimentary Matrix (Fossiliferous Mudstone (Class: Bivalvia)) — sedimentary

Bivalve Fossil in Sedimentary Matrix

Fossiliferous Mudstone (Class: Bivalvia)

Quartzite (Quartzite (primarily composed of SiO

O₂)) — Sedimentary Rock

Quartzite

Quartzite (primarily composed of SiO O₂)

Sedimentary Rock

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Fossiliferous Limestone with Brachiopods (Calcium Carbonate (CaCO3) with fossilized Brachiopoda sp. (likely Order Spiriferida or Rhynchonellida)) — sedimentary

Fossiliferous Limestone with Brachiopods

Calcium Carbonate (CaCO3) with fossilized Brachiopoda sp. (likely Order Spiriferida or Rhynchonellida)

Selenite / Gypsum (Gypsum (CaSO4·2H2O)) — Mineral

Selenite / Gypsum

Gypsum (CaSO4·2H2O)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Greenstone with Epidote or Quartz Vein (Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)) — metamorphic

Greenstone with Epidote or Quartz Vein

Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)

Granite (Granite (a felsic intrusive igneous rock)) — Igneous rock

Granite

Granite (a felsic intrusive igneous rock)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Puddingstone (Gowganda Tillite/Lorrain Quartzite) (Jasper Conglomerate) — sedimentary

Puddingstone (Gowganda Tillite/Lorrain Quartzite)

Jasper Conglomerate

Magnetite with Pyroxene (Magnetite (Fe3O4) in Mafic Igneous Matrix) — mineral/igneous

Magnetite with Pyroxene

Magnetite (Fe3O4) in Mafic Igneous Matrix

mineral/igneous

Jasper (Sedimentary variety) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Sedimentary variety)

Silicon Dioxide (SiO2) with impurities

Chalk (Sedimentary Pebble) (Calcium Carbonate (CaCO3) - Biogenic Limestone) — sedimentary

Chalk (Sedimentary Pebble)

Calcium Carbonate (CaCO3) - Biogenic Limestone

Granite (Granite (a broadly defined plutonic igneous rock, often more specifically classified as quartz monzonite or granodiorite based on precise mineral percentages)) — igneous

Granite

Granite (a broadly defined plutonic igneous rock, often more specifically classified as quartz monzonite or granodiorite based on precise mineral percentages)

Peridotite (Peridotite (predominantly Olivine and Pyroxene)) — igneous

Peridotite

Peridotite (predominantly Olivine and Pyroxene)

Quartz on Feldspar (Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)) — igneous

Quartz on Feldspar

Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)

Chondrite Meteorite (Ordinary Chondrite (OC)) — igneous

Chondrite Meteorite

Ordinary Chondrite (OC)

Granite (Granite (Phaneritic Quartz-Feldspar-Biotite rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar-Biotite rock)

Smoky Quartz on Feldspar (Granite Pegmatite) (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)) — igneous

Smoky Quartz on Feldspar (Granite Pegmatite)

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)

Sodalite-rich Syenite (Sunset Sodalite) (Sodalite-Syenite (Na8[Al6Si6O24]Cl2 with KAlSi3O8)) — igneous

Sodalite-rich Syenite (Sunset Sodalite)

Sodalite-Syenite (Na8[Al6Si6O24]Cl2 with KAlSi3O8)

Sodalite (Sodalite: Na8(Al6Si6O24)Cl2) — igneous

Sodalite

Sodalite: Na8(Al6Si6O24)Cl2

Granite (Granite (Phaneritic Quartz-Feldspar Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Rock)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Granite fragment (Granite (Felsic intrusive igneous rock)) — igneous

Granite fragment

Granite (Felsic intrusive igneous rock)

Gabbro (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro

Gabbro (mafic intrusive igneous rock)

Granite Water-worn Cobble (Felsic intrusive igneous rock (Phaneritic)) — igneous

Granite Water-worn Cobble

Felsic intrusive igneous rock (Phaneritic)

Gabbro (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro

Gabbro (mafic intrusive igneous rock)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

Basalt pebble (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt pebble

Basalt (Mafic Extrusive Igneous Rock)

Granite (Granite (Felsic Intrusive Igneous Rock)) — igneous

Granite

Granite (Felsic Intrusive Igneous Rock)

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

Basalt (with possible minor veining) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt (with possible minor veining)

Basalt (Mafic Extrusive Igneous Rock)

Gabbro (Gabbro (Mafic Intrusive Igneous Rock)) — igneous

Gabbro

Gabbro (Mafic Intrusive Igneous Rock)

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Granite (Phaneritic plutonic igneous rock (Granite)) — igneous

Granite

Phaneritic plutonic igneous rock (Granite)

Vesicular Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Vesicular Basalt

Basalt (Mafic Extrusive Igneous Rock)

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)