Rock Identifier

Category

Igneous And Sedimentary Mixture

Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.

Scoria (Vesicular Basalt) (Scoria (Vesicular Igneous Rock)) — igneous

Scoria (Vesicular Basalt)

Scoria (Vesicular Igneous Rock)

Diorite (River Rock/Cobble) (Intermediate Plutonic Igneous Rock (Diorite)) — igneous

Diorite (River Rock/Cobble)

Intermediate Plutonic Igneous Rock (Diorite)

Granite (Intrusive Phaneritic Felsic Igneous Rock) — igneous

Granite

Intrusive Phaneritic Felsic Igneous Rock

Pink Granite (Felsic Plutonic Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)) — igneous

Pink Granite

Felsic Plutonic Rock (primarily Quartz, Potassium Feldspar, and Plagioclase)

Rhyolite (Rhyolite) — igneous

Rhyolite

Rhyolite

Granodiorite (Granodiorite (Intermediate intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Amygdaloidal Basalt (Amygdaloidal Basalt (Mafic volcanic rock)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic volcanic rock)

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

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Granite (Weathered) (Plutonic Igneous Rock (Granitic)) — igneous

Granite (Weathered)

Plutonic Igneous Rock (Granitic)

Scoria (Lava Rock) (Scoria (Vesicular Basaltic Rock)) — Igneous

Scoria (Lava Rock)

Scoria (Vesicular Basaltic Rock)

Pegmatite (White Granite variant) (Pegmatitic Granite (Quartz and Feldspar rich)) — igneous

Pegmatite (White Granite variant)

Pegmatitic Granite (Quartz and Feldspar rich)

Lava Rock (Scoria) (Scoria (highly vesicular basaltic rock)) — igneous

Lava Rock (Scoria)

Scoria (highly vesicular basaltic rock)

Snowflake Obsidian (Volcanic Glass (SiO2 + impurities)) — igneous

Snowflake Obsidian

Volcanic Glass (SiO2 + impurities)

Basalt (Mafic Volcanic Rock (primarily Plagioclase and Pyroxene)) — Igneous

Basalt

Mafic Volcanic Rock (primarily Plagioclase and Pyroxene)

Red Granite (Felsic intrusive igneous rock (K-feldspar rich Granite)) — igneous

Red Granite

Felsic intrusive igneous rock (K-feldspar rich Granite)

Lava Rock (Basalt) (Basalt (extrusive igneous rock)) — igneous

Lava Rock (Basalt)

Basalt (extrusive igneous rock)

Pumice (Pumice (Vesicular volcanic glass)) — Igneous

Pumice

Pumice (Vesicular volcanic glass)

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria

Granodiorite (Granodiorite (phaneritic intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (phaneritic intrusive igneous rock)

Obsidian (Volcanic Glass (SiO2 rich)) — Igneous

Obsidian

Volcanic Glass (SiO2 rich)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Granite (Phaneritic Plutonic Felsic Rock (Granite)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (Granite)

Granite Cobble (Granite (Felsic Plutonic Rock)) — igneous

Granite Cobble

Granite (Felsic Plutonic Rock)

Granite Glacial Erratic (Intrusive Phaneritic Felsic Rock (Granite)) — igneous

Granite Glacial Erratic

Intrusive Phaneritic Felsic Rock (Granite)

Granodiorite (Phaneritic-textured Intrusive Granodiorite) — igneous

Granodiorite

Phaneritic-textured Intrusive Granodiorite

Diabase (Trap Rock) (Diabase (also known as Dolerite)) — igneous

Diabase (Trap Rock)

Diabase (also known as Dolerite)

Pink Granite (Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)

Diorite (or salt-and-pepper granite pebble) (Phaneritic Igneous Rock (Intermediate Composition)) — igneous

Diorite (or salt-and-pepper granite pebble)

Phaneritic Igneous Rock (Intermediate Composition)

Pink Granite (Fragment) (Pink Granite (dominated by Potassium Feldspar: KAlSi3O8)) — Igneous

Pink Granite (Fragment)

Pink Granite (dominated by Potassium Feldspar: KAlSi3O8)

Basalt (Basalt (Igneous Volcanic Rock)) — igneous

Basalt

Basalt (Igneous Volcanic Rock)

Amygdaloidal Basalt (Vesicular Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)) — igneous

Amygdaloidal Basalt

Vesicular Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)

Granite (Felsic Intrusive Igneous Rock (SiO2, Al2O3, K2O, Na2O)) — igneous

Granite

Felsic Intrusive Igneous Rock (SiO2, Al2O3, K2O, Na2O)

Granite Cobble (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite Cobble

Phaneritic Felsic Igneous Rock (Granite)

Basalt with Secondary Mineralization (Likely Zeolites or Calcite) (Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)) — igneous

Basalt with Secondary Mineralization (Likely Zeolites or Calcite)

Aphanitic mafic volcanic rock with secondary mineral inclusions (e.g., CaAl2Si3O10·3H2O for Scolecite)

Schorl (Black Tourmaline) in Pegmatite (Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)) — igneous

Schorl (Black Tourmaline) in Pegmatite

Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)

Granite (Phaneritic Plutonic Felsic Rock (major components: SiO2 and Al2O3)) — igneous

Granite

Phaneritic Plutonic Felsic Rock (major components: SiO2 and Al2O3)

Dolerite (Diabase) (Dolerite / Diabase) — igneous

Dolerite (Diabase)

Dolerite / Diabase

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

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt with Quartz/Zeolite Inclusions (Porphyritic Basalt (SiO2 with Aluminosilicates)) — igneous

Basalt with Quartz/Zeolite Inclusions

Porphyritic Basalt (SiO2 with Aluminosilicates)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Scoria (Red Lava Rock) (Scoria (Vesicular basaltic rock)) — Igneous

Scoria (Red Lava Rock)

Scoria (Vesicular basaltic rock)

Scoria (Lava Rock) (Scoria (highly vesicular extrusive igneous rock)) — igneous

Scoria (Lava Rock)

Scoria (highly vesicular extrusive igneous rock)