Rock Identifier

Category

Not A Rock (Man Made Industrial Metal)

Browse not a rock (man made industrial metal) specimens identified by the Rock Identifier community.

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

Basalt Beach Pebble

Basalt (Aphanitic Mafic Igneous Rock)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Pyrite (on Quartz/Sulfide matrix) (Iron Sulfide (FeS2)) — mineral

Pyrite (on Quartz/Sulfide matrix)

Iron Sulfide (FeS2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Extrusive Mafic Igneous)) — igneous

Basalt

Basalt (Extrusive Mafic Igneous)

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock

Basalt Pebble (Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)Si2O6 and (Ca, Na)AlSi3O8) — igneous

Basalt Pebble

Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)Si2O6 and (Ca, Na)AlSi3O8

Sandstone with Algae Growth (Arenite with Chlorophyta/Lichen) — sedimentary

Sandstone with Algae Growth

Arenite with Chlorophyta/Lichen

Granite (Granite (a common term for a felsic intrusive igneous rock)) — igneous

Granite

Granite (a common term for a felsic intrusive igneous rock)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Basalt (Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)) — igneous

Basalt

Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)

Basalt with Iron Oxidation (Vesicular Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt with Iron Oxidation

Vesicular Basalt (Aphanitic Mafic Igneous Rock)

Black River Stone (likely Basalt or Chert) (Basalt (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Black River Stone (likely Basalt or Chert)

Basalt (primarily Plagioclase Feldspar and Pyroxene)

Granite (Granite (a felsic intrusive igneous rock)) — Igneous Rock

Granite

Granite (a felsic intrusive igneous rock)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Basalt (Basalt (Mafic igneous rock)) — igneous

Basalt

Basalt (Mafic igneous rock)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Amethyst Geode (Quartz (SiO₂) with iron impurities) — Mineral/Igneous (secondary formation)

Amethyst Geode

Quartz (SiO₂) with iron impurities

Mineral/Igneous (secondary formation)

Basalt (River Rock pebble) (Basalt (a mafic extrusive igneous rock)) — igneous

Basalt (River Rock pebble)

Basalt (a mafic extrusive igneous rock)

Malachite (Malachite (Cu2CO3(OH)2)) — mineral

Malachite

Malachite (Cu2CO3(OH)2)

Vesicular Basalt (Extrusive Basalt (Mafic Silicate)) — igneous

Vesicular Basalt

Extrusive Basalt (Mafic Silicate)

Serpentinite (Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentine (Serpentinite) (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentine (Serpentinite)

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Basalt with Scoria (Mafic Volcanic Rock (Basalt/Scoria)) — igneous

Basalt with Scoria

Mafic Volcanic Rock (Basalt/Scoria)

Limonite (Iron Ore) (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Basalt (Mafic Volcanic Rock) — igneous

Basalt

Mafic Volcanic Rock

Basalt (Basalt) — igneous

Basalt

Basalt

Fluorite (Rainbow Fluorite Tower) (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite (Rainbow Fluorite Tower)

Fluorite (Calcium Fluoride, CaF2)

Gold Ore in Quartz (Auriferous Quartz (SiO2 with Au inclusions)) — mineral

Gold Ore in Quartz

Auriferous Quartz (SiO2 with Au inclusions)

Basalt (Vesicular) (Extrusive mafic igneous rock) — igneous

Basalt (Vesicular)

Extrusive mafic igneous rock

Basalt with Iron Oxides (Mafic Igneous Rock (Mafite)) — igneous

Basalt with Iron Oxides

Mafic Igneous Rock (Mafite)

Vesicular Basalt (Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)) — igneous

Vesicular Basalt

Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Porphyritic Basalt (with Pyrolusite or Iron-oxide staining) (Porphyritic Basalt (Mafic Extrusive)) — igneous

Porphyritic Basalt (with Pyrolusite or Iron-oxide staining)

Porphyritic Basalt (Mafic Extrusive)

Basalt (River Stone) (Basalt) — igneous

Basalt (River Stone)

Basalt

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Basalt (extrusive igneous rock)) — Igneous

Basalt

Basalt (extrusive igneous rock)

Basalt River Stone (Aphanitic Mafic Igneous Rock) — igneous

Basalt River Stone

Aphanitic Mafic Igneous Rock

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)