Rock Identifier

Category

Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)

Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.

Basalt with Epidote (Porphyry) (Basalt (with inclusions of Epidote/Feldspar)) — igneous

Basalt with Epidote (Porphyry)

Basalt (with inclusions of Epidote/Feldspar)

igneous
Sodalite (Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2

mineral
Pink Granite (Water-worn Cobble) (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Pink Granite (Water-worn Cobble)

Phaneritic Felsic Intrusive Igneous Rock

igneous
Pegmatitic Granite (Granite (Alkali-feldspar granite) with Quartz and Orthoclase) — igneous

Pegmatitic Granite

Granite (Alkali-feldspar granite) with Quartz and Orthoclase

igneous
Graveler (Fictional Interpretation) (Mons calcarius anthropomorphus) — igneous

Graveler (Fictional Interpretation)

Mons calcarius anthropomorphus

igneous
Gabbro (Gabbro (mafic intrusive igneous rock)) — igneous

Gabbro

Gabbro (mafic intrusive igneous rock)

igneous
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

igneous
Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Rhyolite (Rhyolite) — igneous

Rhyolite

Rhyolite

igneous
Diorite (Porphyritic) (Porphyritic Diorite) — igneous

Diorite (Porphyritic)

Porphyritic Diorite

igneous
Pink Granite (Phaneritic Felsic Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock

igneous
Quartz Veined Basalt (Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)) — igneous

Quartz Veined Basalt

Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

igneous
Granite (Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

igneous
Dolomite on Prehnite (Saddle-shaped Dolomite) (Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]) — mineral

Dolomite on Prehnite (Saddle-shaped Dolomite)

Dolomite [CaMg(CO3)2] on Prehnite [Ca2Al(AlSi3O10)(OH)2]

mineral
Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

sedimentary
Quartz Geode in Sedimentary Matrix (Silicon Dioxide (SiO2) within a limestone/dolostone host) — mineral

Quartz Geode in Sedimentary Matrix

Silicon Dioxide (SiO2) within a limestone/dolostone host

mineral
Amazonite (Potassium Feldspar (KAlSi3O8)) — mineral

Amazonite

Potassium Feldspar (KAlSi3O8)

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

Basalt (River Rock pebble)

Basalt (a mafic extrusive igneous rock)

igneous
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Diorite (Salt and Pepper Rock) (Diorite) — igneous

Diorite (Salt and Pepper Rock)

Diorite

igneous
Red Jasper (Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

mineral
Rhyolite (Porphyritic) (Rhyolite (Felsic Extrusive Igneous Rock)) — igneous

Rhyolite (Porphyritic)

Rhyolite (Felsic Extrusive Igneous Rock)

igneous
Chert (specifically Iron-stained River Cobble) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Iron-stained River Cobble)

Silicon Dioxide (SiO2)

sedimentary
Basalt (Vesicular) (Basalt (mostly plagioclase, pyroxene, and olivine)) — igneous

Basalt (Vesicular)

Basalt (mostly plagioclase, pyroxene, and olivine)

igneous
Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

mineral
Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Basalt with Calcite Veins

Basalt (Mafic Volcanic Rock)

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

Granite

Granite (Felsic Plutonic Rock)

igneous
Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

mineral
Greywacke (Greywacke (Lithofeldspathic Sandstone)) — sedimentary

Greywacke

Greywacke (Lithofeldspathic Sandstone)

sedimentary
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Greenstone / Diorite (Intermediate plutonic igneous rock) — igneous

Greenstone / Diorite

Intermediate plutonic igneous rock

igneous
Amygdaloidal Rhyolite (Amygdaloidal felsic extrusive rock) — igneous

Amygdaloidal Rhyolite

Amygdaloidal felsic extrusive rock

igneous
Green Calcite (Calcite (CaCO3)) — mineral

Green Calcite

Calcite (CaCO3)

mineral
Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

igneous
Prehnite on Basalt (Prehnite - Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite on Basalt

Prehnite - Ca2Al(AlSi3O10)(OH)2

mineral