Rock Identifier

Category

Industrial Byproduct (Anthropogenic Material)

Browse industrial byproduct (anthropogenic material) specimens identified by the Rock Identifier community.

Chlorastrolite (Greenstone) (Chlorastrolite (variety of Pumpellyite) - Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2 · H2O) — mineral

Chlorastrolite (Greenstone)

Chlorastrolite (variety of Pumpellyite) - Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2 · H2O

Thunderegg (Agetized Geode nodule) (Rhyolitic Agate Nodule (SiO2 filling volcanic cavities)) — igneous

Thunderegg (Agetized Geode nodule)

Rhyolitic Agate Nodule (SiO2 filling volcanic cavities)

Olivine (Peridotite) (Olivine Group; (Mg, Fe)2SiO4) — igneous

Olivine (Peridotite)

Olivine Group; (Mg, Fe)2SiO4

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Red Granite (Phaneritic Plutonic Rock (High Potassium Feldspar)) — igneous

Red Granite

Phaneritic Plutonic Rock (High Potassium Feldspar)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Siltstone (Siltstone (composed of microscopic silt-sized particles of quartz and feldspar)) — sedimentary

Siltstone

Siltstone (composed of microscopic silt-sized particles of quartz and feldspar)

Sandstone (Fossiliferous) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Fossiliferous)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Limestone (Grey and White specimens) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (Grey and White specimens)

Calcium Carbonate (CaCO3)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Sandstone (Ferruginous) (Arenite (composed primarily of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (composed primarily of SiO2 with Fe2O3 cement)

Chert (Jasper/River Stone) (Silicon dioxide (SiO2) - Microcrystalline quartz) — sedimentary

Chert (Jasper/River Stone)

Silicon dioxide (SiO2) - Microcrystalline quartz

Amygdaloidal Basalt with Epidote (Vesicular Basalt with secondary Epidote/Quartz mineral infill) — igneous

Amygdaloidal Basalt with Epidote

Vesicular Basalt with secondary Epidote/Quartz mineral infill

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Rhyolite (Rhyolite (felsic volcanic rock)) — igneous

Rhyolite

Rhyolite (felsic volcanic rock)

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

Milky Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Ferruginous) (Arenite (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Sandstone (Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone

Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)

Mica Schist with Garnet (Garnetiferous Mica Schist) — metamorphic

Mica Schist with Garnet

Garnetiferous Mica Schist

Olivine (Peridot) (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Puddingstone (Gowganda) (Jasper-clast Polymictic Conglomerate (Gowganda Formation)) — sedimentary

Puddingstone (Gowganda)

Jasper-clast Polymictic Conglomerate (Gowganda Formation)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Sandstone (Ferruginous/Red Sandstone) (Clastic sedimentary rock (primarily SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous/Red Sandstone)

Clastic sedimentary rock (primarily SiO2 with Fe2O3)

Red Sandstone (Arenite (composed primarily of SiO2 with Fe2O3 cementation)) — sedimentary

Red Sandstone

Arenite (composed primarily of SiO2 with Fe2O3 cementation)

Red Sandstone (Ferruginous Sandstone (SiO2 dominated with Fe2O3 cement)) — sedimentary

Red Sandstone

Ferruginous Sandstone (SiO2 dominated with Fe2O3 cement)

Sandstone (Ferruginous) (Arenite (with high iron oxide content)) — sedimentary

Sandstone (Ferruginous)

Arenite (with high iron oxide content)

Citrine Quartz (Yellow Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Citrine Quartz (Yellow Quartz)

Silicon Dioxide (SiO2) with iron impurities

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)