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

Flint (Silicon dioxide (SiO2)) — sedimentary

Flint

Silicon dioxide (SiO2)

Grey Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Grey Granite

Phaneritic Felsic Intrusive Igneous Rock

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Likely tumbled epidote-bearing rock or green jasper (Epidote-group silicate, possibly in a jasper or serpentinite matrix) — mineral

Likely tumbled epidote-bearing rock or green jasper

Epidote-group silicate, possibly in a jasper or serpentinite matrix

Diorite (River Pebble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Pebble)

Intermediate plutonic igneous rock

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

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

Sandstone

Arenite (composed primarily of Quartz: SiO2)

Diamond (or Diamond Simulant) (Carbon (C)) — mineral

Diamond (or Diamond Simulant)

Carbon (C)

Diamond in Kimberlite (Diamond (C in Kimberlite)) — igneous

Diamond in Kimberlite

Diamond (C in Kimberlite)

Concrete-like aggregate surface with embedded rock fragments (Anthropogenic concrete or exposed aggregate; not a natural rock specimen) — sedimentary

Concrete-like aggregate surface with embedded rock fragments

Anthropogenic concrete or exposed aggregate; not a natural rock specimen

Blue glass-like tumbled specimen (Most likely cobalt-blue slag glass or manufactured glass; not confidently identifiable as a natural mineral from the image) — mineral

Blue glass-like tumbled specimen

Most likely cobalt-blue slag glass or manufactured glass; not confidently identifiable as a natural mineral from the image

Chert (Flint) (Chert (Cryptocrystalline Silica, SiO2)) — sedimentary

Chert (Flint)

Chert (Cryptocrystalline Silica, SiO2)

Tektite (Impactite (Natural Silicate Glass)) — meteorite

Tektite

Impactite (Natural Silicate Glass)

Greenstone (Metamorphic mafic rock (chlorite-actinolite-epidote schist)) — metamorphic

Greenstone

Metamorphic mafic rock (chlorite-actinolite-epidote schist)

Pink Granite (Intrusive Igneous Rock (high K-feldspar content)) — igneous

Pink Granite

Intrusive Igneous Rock (high K-feldspar content)

Carved Stone Turtle (Carved Soapstone and Quartz) — mineral

Carved Stone Turtle

Carved Soapstone and Quartz

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Fossilized Shark Tooth (Fragment) (Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)) — fossil

Fossilized Shark Tooth (Fragment)

Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)

Green Aventurine (Quartz (SiO2) with Fuchsite inclusions) — Mineral

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Polished dendritic agate cabochon (likely agate or jasper) (Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide inclusions) — gemstone

Polished dendritic agate cabochon (likely agate or jasper)

Microcrystalline quartz, SiO₂, commonly chalcedony with iron-oxide inclusions

Likely smoky quartz pendant (Smoky quartz, silicon dioxide (SiO₂), quartz variety colored by irradiation-related defects) — gemstone

Likely smoky quartz pendant

Smoky quartz, silicon dioxide (SiO₂), quartz variety colored by irradiation-related defects

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Basalt (Basalt (comprising Plagioclase feldspar, Pyroxene, and Olivine)) — igneous

Basalt

Basalt (comprising Plagioclase feldspar, Pyroxene, and Olivine)

Chert (Nodule) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone (likely Fossiliferous) (Arenite / Fossiliferous Sandstone (SiO2 composition)) — sedimentary

Sandstone (likely Fossiliferous)

Arenite / Fossiliferous Sandstone (SiO2 composition)

Diorite (Intermediate plutonic igneous rock) — igneous

Diorite

Intermediate plutonic igneous rock

White Marble (Recrystallized Calcite Rock (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite Rock (CaCO3)

Chert (or Flint) (Chert (cryptocrystalline quartz), SiO2) — Sedimentary

Chert (or Flint)

Chert (cryptocrystalline quartz), SiO2

Chert (varietal Flint) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (varietal Flint)

Microcrystalline quartz (SiO2)

Diamond (in jewelry setting) (Diamond (C - Carbon)) — mineral

Diamond (in jewelry setting)

Diamond (C - Carbon)

Chert (Jasper type) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper type)

Microcrystalline Quartz (SiO2)

Green Slag Glass (Cullet (Amorphous Silicon Dioxide with impurities)) — Man-made rock-like material

Green Slag Glass

Cullet (Amorphous Silicon Dioxide with impurities)

Man-made rock-like material

Chert (varietal Chalcedony or Flint) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (varietal Chalcedony or Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Likely weathered iron-rich rock or slag fragment (Uncertain; possibly limonite/goethite-rich material (FeO(OH)·nH₂O)) — mineral

Likely weathered iron-rich rock or slag fragment

Uncertain; possibly limonite/goethite-rich material (FeO(OH)·nH₂O)

Ferruginous Sandstone (Ironstone) (Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)) — sedimentary

Ferruginous Sandstone (Ironstone)

Clastic Sedimentary Rock (composed of SiO2 with Fe2O3/FeO(OH) cement)

Weathered iron-rich rock, possibly jasper or ironstone (Likely limonite/goethite-bearing siliceous rock; exact identification requires hardness and streak tests) — mineral

Weathered iron-rich rock, possibly jasper or ironstone

Likely limonite/goethite-bearing siliceous rock; exact identification requires hardness and streak tests

Fossilized Bored Limestone (Limestone with Ichnofossils (Gastrochaenolites or Entobia)) — sedimentary

Fossilized Bored Limestone

Limestone with Ichnofossils (Gastrochaenolites or Entobia)

Desert Rose (also known as Sand Rose) (Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions) — mineral

Desert Rose (also known as Sand Rose)

Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions

Chert (River Siltstone/Quartzite type) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Siltstone/Quartzite type)

Microcrystalline Quartz (SiO2)

Crinoid Fossil Stem Segment (Class Crinoidea (Echinodermata)) — sedimentary

Crinoid Fossil Stem Segment

Class Crinoidea (Echinodermata)

Turquoise cabochon ring (Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O) — gemstone

Turquoise cabochon ring

Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O

Polished black stone carving, likely soapstone/steatite (Steatite (massive talc), Mg₃Si₄O₁₀(OH)₂; exact material cannot be confirmed from the image) — metamorphic

Polished black stone carving, likely soapstone/steatite

Steatite (massive talc), Mg₃Si₄O₁₀(OH)₂; exact material cannot be confirmed from the image