Rock Identifier

Category

Antropogenic Rock (Man Made)

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

Sandstone (River Cobble) (Clastic sedimentary rock (primarily SiO2 with various lithic fragments)) — sedimentary

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2 with various lithic fragments)

Orca Agate (Blue Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Orca Agate (Blue Chalcedony)

Silicon Dioxide (SiO2)

Sandstone (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz, SiO2)

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

Granite Cobble

Granite (Phaneritic Igneous Rock)

Granite (Phaneritic Igneous Rock (Granitic)) — igneous

Granite

Phaneritic Igneous Rock (Granitic)

African Turquoise (Jasper) (Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)) — Rock

African Turquoise (Jasper)

Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)

Note regarding baguette production (not a rock) (Digital text image - Somali language) — not a rock

Note regarding baguette production (not a rock)

Digital text image - Somali language

Slag (Industrial Glass) (Anthropogenic Amorphous Vitreous Silicate) — mineraloid

Slag (Industrial Glass)

Anthropogenic Amorphous Vitreous Silicate

Ferruginous Sandstone (Red Sandstone) (Arenite with Hematite/Limonite cement) — sedimentary

Ferruginous Sandstone (Red Sandstone)

Arenite with Hematite/Limonite cement

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrous ferric oxide)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrous ferric oxide)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Vesicular Basalt with Secondary Mineral Infill (Mafic Volcanic Rock (Basalt)) — igneous

Vesicular Basalt with Secondary Mineral Infill

Mafic Volcanic Rock (Basalt)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Polished Pebble) (Basalt (Mafic volcanic rock)) — igneous

Basalt (Polished Pebble)

Basalt (Mafic volcanic rock)

Granite (Intrusive igneous felsic rock) — igneous

Granite

Intrusive igneous felsic rock

Polished Basalt (Basalt (Mafic volcanic rock)) — Igneous

Polished Basalt

Basalt (Mafic volcanic rock)

Rose Quartz (Silicon Dioxide (SiO2) with trace titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace titanium, iron, or manganese

Chert (Nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Basalt River Cobble (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt River Cobble

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt with Quartz Veins (Vesicular or aphanitic Basalt with SiO2 (Quartz) intrusions) — Igneous

Basalt with Quartz Veins

Vesicular or aphanitic Basalt with SiO2 (Quartz) intrusions

Limonite (Iron Ore) (FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)) — mineral

Limonite (Iron Ore)

FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)

Travertine (Calcareous Tufa) (Calcium Carbonate (CaCO3)) — sedimentary

Travertine (Calcareous Tufa)

Calcium Carbonate (CaCO3)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — Mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

Serpentine (Lizardite) (Serpentine subgroup, Mg3Si2O5(OH)4) — metamorphic

Serpentine (Lizardite)

Serpentine subgroup, Mg3Si2O5(OH)4

Basalt (Basalt (composition of Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (composition of Plagioclase feldspar and Pyroxene)

Schist with Schorl (Black Tourmaline) (NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)) — metamorphic

Schist with Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl)

Granite (Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Limestone (Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Arenite (Sedimentary rock comprising sand-sized grains)) — sedimentary

Sandstone

Arenite (Sedimentary rock comprising sand-sized grains)

Limestone (specifically Grainstone or Micrite) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (specifically Grainstone or Micrite)

Calcium Carbonate (CaCO3)

Basalt (Mafic volcanic rock (Silicon dioxide 45-52%)) — igneous

Basalt

Mafic volcanic rock (Silicon dioxide 45-52%)

Conglomerate (or Breccia) (Clastic Sedimentary Rock (Conglomeratic)) — sedimentary

Conglomerate (or Breccia)

Clastic Sedimentary Rock (Conglomeratic)

Basalt with Vesicles (Aphanitic Mafic Volcanic Rock (Basalt)) — igneous

Basalt with Vesicles

Aphanitic Mafic Volcanic Rock (Basalt)