Rock Identifier

Category

Man Made Rock (Technosol)

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

Learn about Man Made Rock (Technosol) in the encyclopedia

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Map Jasper

Goldstone

Anorthosite

Gondite

Dunite

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Quartz-rich mineral fragment (Quartz (silicon dioxide, SiO₂), possibly milky quartz) — mineral

Quartz-rich mineral fragment

Quartz (silicon dioxide, SiO₂), possibly milky quartz

Sedimentary Rock with Crafts (Pet Rock) (Sedimentary rock decorated with synthetic materials) — sedimentary

Sedimentary Rock with Crafts (Pet Rock)

Sedimentary rock decorated with synthetic materials

Shale (Lutaceous sedimentary rock) — sedimentary

Shale

Lutaceous sedimentary rock

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Eclogite (Eclogite (High-pressure metamorphic rock)) — metamorphic

Eclogite

Eclogite (High-pressure metamorphic rock)

Basalt with Quartz Veins (Aphanitic Mafic Igneous Rock (Main body: SiO2, Fe, Mg rich)) — igneous

Basalt with Quartz Veins

Aphanitic Mafic Igneous Rock (Main body: SiO2, Fe, Mg rich)

Rugose Coral Fossil (Order Rugosa) — fossil

Rugose Coral Fossil

Order Rugosa

Weathered granitic rock (Granite, likely quartz–feldspar–mica aggregate) — igneous

Weathered granitic rock

Granite, likely quartz–feldspar–mica aggregate

Fossil Shell (Invertebrate fossil (Mollusca)) — fossil

Fossil Shell

Invertebrate fossil (Mollusca)

Sandstone Pebble / Quartzite Pebble (SiO2 (Silicon Dioxide enriched sedimentary rock)) — sedimentary

Sandstone Pebble / Quartzite Pebble

SiO2 (Silicon Dioxide enriched sedimentary rock)

Chalcedony Geode (Silicon Dioxide (SiO2)) — mineral

Chalcedony Geode

Silicon Dioxide (SiO2)

Basalt (Extrusive igneous rock primarily composed of plagioclase feldspar and pyroxene) — igneous

Basalt

Extrusive igneous rock primarily composed of plagioclase feldspar and pyroxene

Quartzite with Schist layers (Metamorphosed Quartz-rich Rock (Mixed Schist/Quartzite)) — metamorphic

Quartzite with Schist layers

Metamorphosed Quartz-rich Rock (Mixed Schist/Quartzite)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Dalmation Jasper (Aplite with Arfvedsonite inclusions (SiO2 with Na3(Mg,Fe2+)4AlSi8O22(OH)2)) — igneous

Dalmation Jasper

Aplite with Arfvedsonite inclusions (SiO2 with Na3(Mg,Fe2+)4AlSi8O22(OH)2)

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

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Serpentinite (Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)

Pink Granite (Phaneritic Plutonic Igneous Rock (high K-feldspar)) — igneous

Pink Granite

Phaneritic Plutonic Igneous Rock (high K-feldspar)

Red Sandstone (Sandstone (principally Quartz with Iron Oxide coating)) — sedimentary

Red Sandstone

Sandstone (principally Quartz with Iron Oxide coating)

Granitic Pebble (Glacial Erratic) (Granite) — igneous

Granitic Pebble (Glacial Erratic)

Granite

Druzy Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz Geode

Silicon Dioxide (SiO2)

Shale (Fissile mudstone (Shale)) — sedimentary

Shale

Fissile mudstone (Shale)

Vesicular Basalt (Lava Rock) (Basalt (Vesicular Variety)) — igneous

Vesicular Basalt (Lava Rock)

Basalt (Vesicular Variety)

Generic Rock Fragment (Rock Fragment) — sedimentary

Generic Rock Fragment

Rock Fragment

Ironstone Concretion (Ironstone Gourd) (Limonite/Goethite Concretion (FeOO(H))) — sedimentary

Ironstone Concretion (Ironstone Gourd)

Limonite/Goethite Concretion (FeOO(H))

Gneiss (Metamorphic Pebble) (Gneissic Metamorphic Rock) — metamorphic

Gneiss (Metamorphic Pebble)

Gneissic Metamorphic Rock

Gneiss Pebble (Gneiss) — metamorphic

Gneiss Pebble

Gneiss

Plume Agate or Moss Agate (Agate (SiO2)) — mineral

Plume Agate or Moss Agate

Agate (SiO2)

Porphyritic Basalt (Porphyritic Basalt) — igneous

Porphyritic Basalt

Porphyritic Basalt

Basalt with Calcite Veins (Basalt (Mafic Volcanic Rock)) — igneous

Basalt with Calcite Veins

Basalt (Mafic Volcanic Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Quartz-Veined Gneiss or Metamorphic Rock with Quartz Veins (Quartz-veined metamorphic rock (Silicate mineral assemblage)) — metamorphic

Quartz-Veined Gneiss or Metamorphic Rock with Quartz Veins

Quartz-veined metamorphic rock (Silicate mineral assemblage)

Chert (River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Banded Gneiss / Veined Metamorphic Pebble (Metamorphic Rock with Quartz/Feldspar Veins) — metamorphic

Banded Gneiss / Veined Metamorphic Pebble

Metamorphic Rock with Quartz/Feldspar Veins

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Brachiopod Fossil (Phylum Brachiopoda) — fossil

Brachiopod Fossil

Phylum Brachiopoda

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Small brown-gray mineral fragment (Indeterminate; possibly weathered quartz-, feldspar-, or iron-oxide-bearing rock) — mineral

Small brown-gray mineral fragment

Indeterminate; possibly weathered quartz-, feldspar-, or iron-oxide-bearing rock

Dark-colored Igneous Rock (likely Basalt or Diabase) (Basalt (extrusive igneous) or Diabase (intrusive igneous)) — Igneous Rock

Dark-colored Igneous Rock (likely Basalt or Diabase)

Basalt (extrusive igneous) or Diabase (intrusive igneous)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Sandstone (likely Greywacke or Lithic Sandstone) (Arenite / Wacke) — sedimentary

Sandstone (likely Greywacke or Lithic Sandstone)

Arenite / Wacke