Rock Identifier

Category

Organic Structure (Not A Rock)

Browse organic structure (not a rock) specimens identified by the Rock Identifier community.

Diorite (River Cobble) (Phaneritic Intermediate Igneous Rock) — igneous

Diorite (River Cobble)

Phaneritic Intermediate Igneous Rock

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Mica Schist (Foliated Metamorphic Rock (Schist)) — metamorphic

Mica Schist

Foliated Metamorphic Rock (Schist)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Dalmatian Stone (Dalmatian Jasper (Aplitic Rock)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Rock)

Black Marble (Recrystallized Carbonate Rock (CaCO3)) — metamorphic

Black Marble

Recrystallized Carbonate Rock (CaCO3)

Basalt (Extrusive Mafic Igneous Rock) — igneous

Basalt

Extrusive Mafic Igneous Rock

Ferruginous Sandstone (Ferruginous Clastic Sedimentary Rock) — sedimentary

Ferruginous Sandstone

Ferruginous Clastic Sedimentary Rock

Breccia (Breccia (Clastic Sedimentary Rock)) — sedimentary

Breccia

Breccia (Clastic Sedimentary Rock)

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Diorite (Intermediate plutonic igneous rock) — igneous

Diorite

Intermediate plutonic igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Phyllite (Phyllite (Foliated metamorphic rock)) — metamorphic

Phyllite

Phyllite (Foliated metamorphic rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock - Arenite) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock - Arenite

Dalmatian Stone (often called Dalmatian Jasper) (Peralkaline Feldsphathic Igneous Rock) — igneous

Dalmatian Stone (often called Dalmatian Jasper)

Peralkaline Feldsphathic Igneous Rock

Diorite (Diorite (Intermediate plutonic rock)) — igneous

Diorite

Diorite (Intermediate plutonic rock)

Diorite (with Salt-and-Pepper Texture) (Diorite (Intrusive Igneous Rock)) — igneous

Diorite (with Salt-and-Pepper Texture)

Diorite (Intrusive Igneous Rock)

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

Pink Granite

Granite (Felsic Plutonic Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Sandstone (Greywacke) (Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone (Greywacke)

Arenite / Clastic Sedimentary Rock

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

Red Granite

Granite (Felsic Plutonic Rock)

Marble (Recrystallized Calcite Rock (CaCO3)) — metamorphic

Marble

Recrystallized Calcite Rock (CaCO3)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Pumice (Pumice (Vitreous pyroclastic rock)) — igneous

Pumice

Pumice (Vitreous pyroclastic rock)

Granite Pebble (River Rock) (Phaneritic Felsic Igneous Rock) — igneous

Granite Pebble (River Rock)

Phaneritic Felsic Igneous Rock

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

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

Vesicular Basalt (Scoria)

Basalt (Extrusive Igneous Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Lapis Lazuli (Lazurite-rich metamorphic rock) — metamorphic

Lapis Lazuli

Lazurite-rich metamorphic rock

Dalmation Stone (frequently called Dalmatian Jasper) (Peralkaline Quartz-Feldspar Rock) — igneous

Dalmation Stone (frequently called Dalmatian Jasper)

Peralkaline Quartz-Feldspar Rock

Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Gneiss (High-grade Metamorphic Rock) (Gneiss (Metamorphic silicate rock)) — metamorphic

Gneiss (High-grade Metamorphic Rock)

Gneiss (Metamorphic silicate rock)