Rock Identifier

Category

Man Made Material (Simulated Mineral)

Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.

Learn about Man Made Material (Simulated Mineral) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Dunite

Zincite

Claystone

Carbonatite

Marl

Dalmatian Jasper

Dalmatian Jasper

Mint Obsidian

Crimson Obsidian

Lherzolite

Chert (Septarian Nodules-like) (Silicon dioxide (SiO2)) — sedimentary

Chert (Septarian Nodules-like)

Silicon dioxide (SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

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

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone (likely Arkose or Quartz Sandstone) (Arenite (SiO2 principal component)) — sedimentary

Sandstone (likely Arkose or Quartz Sandstone)

Arenite (SiO2 principal component)

Ironstone Concretion (Limonite/Hematite Nodules) (Ironstone (principally Limonite FeO(OH)·nH2O or Hematite Fe2O3 mixed with silica/clay)) — sedimentary

Ironstone Concretion (Limonite/Hematite Nodules)

Ironstone (principally Limonite FeO(OH)·nH2O or Hematite Fe2O3 mixed with silica/clay)

Quartz crystal pendant (Quartz (silicon dioxide, SiO₂), likely rock crystal or milky quartz) — mineral

Quartz crystal pendant

Quartz (silicon dioxide, SiO₂), likely rock crystal or milky quartz

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

Quartz with inclusions

Silicon Dioxide (SiO2)

Quartzite with inclusions (Quartzite) — metamorphic

Quartzite with inclusions

Quartzite

Sandstone Pebble (Sedimentary Clastic Rock (Quartz Arenite)) — sedimentary

Sandstone Pebble

Sedimentary Clastic Rock (Quartz Arenite)

Sandstone (with Chert/Quartzite) (Arenite (SiO2 primarily)) — sedimentary

Sandstone (with Chert/Quartzite)

Arenite (SiO2 primarily)

Porphyritic rhyolite (likely lithophysal/vesicular rhyolite) (Rhyolite; chiefly quartz and alkali feldspar, with minor plagioclase and iron-bearing minerals) — igneous

Porphyritic rhyolite (likely lithophysal/vesicular rhyolite)

Rhyolite; chiefly quartz and alkali feldspar, with minor plagioclase and iron-bearing minerals

Sandstone (Banded) (Arenite) — sedimentary

Sandstone (Banded)

Arenite

Sandstone (Siltstone or Fine-grained) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Siltstone or Fine-grained)

Clastic sedimentary rock (primarily SiO2)

Sandstone (with potential iron-oxide weathering) (Arenite (SiO2 based)) — sedimentary

Sandstone (with potential iron-oxide weathering)

Arenite (SiO2 based)

Polished jasper/chalcedony pebble (Microcrystalline quartz (SiO₂), likely brecciated or iron-stained jasper) — mineral

Polished jasper/chalcedony pebble

Microcrystalline quartz (SiO₂), likely brecciated or iron-stained jasper

Cream River Jasper (Silicified microcrystalline quartz (SiO2)) — sedimentary

Cream River Jasper

Silicified microcrystalline quartz (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Raw Quartz (Silicon Dioxide (SiO2)) — mineral

Raw Quartz

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite or arkose)

Sandstone (Sandstone (SiO2 dominant, with minor feldspar and clay minerals)) — sedimentary

Sandstone

Sandstone (SiO2 dominant, with minor feldspar and clay minerals)

Sandstone (Sandstone (SiO2-rich detrital sedimentary rock)) — sedimentary

Sandstone

Sandstone (SiO2-rich detrital sedimentary rock)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sandstone (likely Arkose or Quartz Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (likely Arkose or Quartz Sandstone)

Clastic sedimentary rock (primarily SiO2)

Quartz Vein in River Siltstone (Crystalline Quartz (SiO2) in Siliclastic Matrix) — sedimentary

Quartz Vein in River Siltstone

Crystalline Quartz (SiO2) in Siliclastic Matrix

Fossilized Bivalve Shell (Class Bivalvia (fossilized)) — fossil

Fossilized Bivalve Shell

Class Bivalvia (fossilized)

Seashell Fossil (Gastropoda fossil) — fossil

Seashell Fossil

Gastropoda fossil

Fossilized Coral (Cnidaria (Hexacorallia)) — fossil

Fossilized Coral

Cnidaria (Hexacorallia)

Fossil Snail (Gastropoda fossil) — fossil

Fossil Snail

Gastropoda fossil

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Shark Tooth Fossil (Carcharodonta (order Lamniformes), likely Carcharias spp.) — fossil

Shark Tooth Fossil

Carcharodonta (order Lamniformes), likely Carcharias spp.

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Megalodon Shark Tooth Fossil (Otodus megalodon (fossilized in sedimentary matrix)) — sedimentary

Megalodon Shark Tooth Fossil

Otodus megalodon (fossilized in sedimentary matrix)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Garnetiferous Pegmatite (Pegmatite with Almandine Garnet and Muscovite) — igneous

Garnetiferous Pegmatite

Pegmatite with Almandine Garnet and Muscovite

Chert Breccia (Brecciated Chert (Microcrystalline Silica, SiO2)) — sedimentary

Chert Breccia

Brecciated Chert (Microcrystalline Silica, SiO2)

Geode (unopened) (Chert / Chalcedony Geode (SiO2)) — sedimentary

Geode (unopened)

Chert / Chalcedony Geode (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)