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

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

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)

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

Quartzite River Rock

Quartzite (primarily SiO2)

River Stone (likely Quartzite or Sandstone) (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

River Stone (likely Quartzite or Sandstone)

Metamorphosed Quartz-rich Rock (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Sandstone (Siltstone or Fine-grained)

Clastic sedimentary rock (primarily SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Red Sandstone

Ferruginous Sandstone (SiO2 dominated with Fe2O3)

Red Sandstone (Sandstone (lithic arenite or arkose with iron oxide)) — sedimentary

Red Sandstone

Sandstone (lithic arenite or arkose with iron oxide)

Amazonite (Microcline (variety Amazonite), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety Amazonite), K(AlSi3O8)

Red Jasper with Quartz Vein (Microcrystalline Quartz (SiO2) with Hematite inclusions) — sedimentary

Red Jasper with Quartz Vein

Microcrystalline Quartz (SiO2) with Hematite inclusions

Diorite (Diorite (intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (intermediate intrusive igneous rock)

Milky Quartz/Gray Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Milky Quartz/Gray Quartz Pebble

Silicon Dioxide (SiO2)

Thulite in Matrix (Pink Zoisite - Ca2Al3(SiO4)3(OH)) — metamorphic

Thulite in Matrix

Pink Zoisite - Ca2Al3(SiO4)3(OH)

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

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

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

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (primarily SiO2)

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with iron oxide Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with iron oxide Fe2O3 cement)

Labradorite ((Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)) — mineral

Labradorite

(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Limestone (River Pebble) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (River Pebble)

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Crushed Stone / Gravel (Aggregatus saxum (variable mineral composition)) — sedimentary

Crushed Stone / Gravel

Aggregatus saxum (variable mineral composition)

Red Sandstone (Ferruginous Sandstone) — sedimentary

Red Sandstone

Ferruginous Sandstone

Milky Quartz with Mica inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mica inclusions

Quartz (Silicon Dioxide, SiO2)

Limestone River Pebble (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone River Pebble

Sedimentary Calcium Carbonate (CaCO3)

Nuummite (Orthoamphibole (Anthophyllite-Gedrite composition)) — metamorphic

Nuummite

Orthoamphibole (Anthophyllite-Gedrite composition)

Stromatolite (Jasper-replaced) (Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)) — sedimentary

Stromatolite (Jasper-replaced)

Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)

Sandstone (Arenite (SiO2 principal composition)) — sedimentary

Sandstone

Arenite (SiO2 principal composition)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Orange Quartzite / Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — metamorphic

Orange Quartzite / Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartzite Chert Pebble (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary/metamorphic

Quartzite Chert Pebble

Microcrystalline Silicon Dioxide (SiO2)

sedimentary/metamorphic

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Limestone with Chert (Calcium Carbonate (CaCO3) with Silica (SiO2) inclusions) — sedimentary

Limestone with Chert

Calcium Carbonate (CaCO3) with Silica (SiO2) inclusions

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

Sandstone (Quartzose)

Arenite (SiO2 based)

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

Sandstone (Quartz-rich)

Arenite (Quartz Arenite)

Quartzite River Rock (Metamorphosed Quartz-rich Sandstone (SiO2)) — metamorphic

Quartzite River Rock

Metamorphosed Quartz-rich Sandstone (SiO2)

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2)