Rock Identifier

Category

Synthetic Polymer (Synthetic Material)

Browse synthetic polymer (synthetic material) specimens identified by the Rock Identifier community.

Learn about Synthetic Polymer (Synthetic Material) in the encyclopedia

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Opalite

Lead Feldspar

Peat

Zircon

Dunite

Limonite

Shell Opal

Madagascar Opal

Lavender Obsidian

Electric Blue Obsidian

Quartz Geode / Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

Sandstone (Sandstone (SiO2 dominated)) — sedimentary

Sandstone

Sandstone (SiO2 dominated)

Unakite (or Polished Jasper Pebble) (Altered Granite (Epidote-Orthoclase Rock)) — metamorphic

Unakite (or Polished Jasper Pebble)

Altered Granite (Epidote-Orthoclase Rock)

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

Quartz (Milky/Smoky Quartz)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Granite

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

Aventurine (Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2) — mineral

Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Granite (with Quartz fragment) (Intrusive Felsic Igneous Rock) — igneous

Granite (with Quartz fragment)

Intrusive Felsic Igneous Rock

Quartz with Iron Oxide Staining (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Oxide Staining

Silicon Dioxide (SiO2)

Gravel/Common Siltstone (Siltstone (fine-grained siliciclastic sedimentary rock)) — sedimentary

Gravel/Common Siltstone

Siltstone (fine-grained siliciclastic sedimentary rock)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Diorite (River Cobble) (Intermediate phaneritic igneous rock) — igneous

Diorite (River Cobble)

Intermediate phaneritic igneous rock

Quartzite River Rock (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Rock

Quartzite (primarily SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Porphyritic Basalt (or Porfido / Porphyry Beach Pebble) (Porphyritic Basalt / Andesite) — igneous

Porphyritic Basalt (or Porfido / Porphyry Beach Pebble)

Porphyritic Basalt / Andesite

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Sandstone (Sandstone (clastic sedimentary rock composite)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock composite)

Red Sandstone (Clastic sedimentary rock (Quartz arenite/Arkose)) — sedimentary

Red Sandstone

Clastic sedimentary rock (Quartz arenite/Arkose)

Rhodonite (Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Quartzite Pebble (Metamorphic rock primarily composed of Quartz (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic rock primarily composed of Quartz (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

River Pebbles (Chert and Quartzite) (Sedimentary Clastic Rock (Silica-rich)) — sedimentary

River Pebbles (Chert and Quartzite)

Sedimentary Clastic Rock (Silica-rich)

Greenschist (Greenschist (Chlorite-actinolite schist)) — metamorphic

Greenschist

Greenschist (Chlorite-actinolite schist)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Quartzite (Metamorphosed Sandstone (SiO2 dominant)) — metamorphic

Quartzite

Metamorphosed Sandstone (SiO2 dominant)

Amazonite (Microcline (KAlSi3O8)) — mineral

Amazonite

Microcline (KAlSi3O8)

Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

Amygdaloidal Basalt with Quartz (Basalt with Secondary Mineral Infilling) — igneous

Amygdaloidal Basalt with Quartz

Basalt with Secondary Mineral Infilling

Quartzite (Quartzite (composed primarily of Quartz, SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

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

Red Sandstone

Ferruginous Sandstone (SiO2 with Fe2O3)

Sandstone (Arenite (primarily Quartz-rich)) — sedimentary

Sandstone

Arenite (primarily Quartz-rich)

Quartz Crystal Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Red Sandstone (Arenite (with Iron Oxide)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide)

Conglomerate (Pebble Conglomerate) (Conglomerate) — sedimentary

Conglomerate (Pebble Conglomerate)

Conglomerate

Sandstone (Sandstone (SiO2 dominant)) — sedimentary

Sandstone

Sandstone (SiO2 dominant)

Sandstone Pebble (Ferruginous Sandstone (SiO2 with Fe2O3)) — sedimentary

Sandstone Pebble

Ferruginous Sandstone (SiO2 with Fe2O3)

Rhodonite (Rhodonite ((Mn2+,Fe2+,Mg,Ca)SiO3)) — metamorphic

Rhodonite

Rhodonite ((Mn2+,Fe2+,Mg,Ca)SiO3)

Sandstone (Red/Brown Sandstone pebble) (Arenite (SiO2 dominated sandstone)) — sedimentary

Sandstone (Red/Brown Sandstone pebble)

Arenite (SiO2 dominated sandstone)