Rock Identifier

Category

Synthetic Polymer (Synthetic Material)

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

Eudialyte in Syenite (Dragon Blood Stone) (Na15Ca6(Fe,Mn)3Zr3(Si25O73)(O,OH,H2O)3(Cl,OH)2) — igneous

Eudialyte in Syenite (Dragon Blood Stone)

Na15Ca6(Fe,Mn)3Zr3(Si25O73)(O,OH,H2O)3(Cl,OH)2

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2, silica)) — sedimentary

Sandstone

Arenite (primarily SiO2, silica)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Olivine (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4

Sandstone (Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)) — sedimentary

Sandstone

Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Green Fluorite in Host Rock (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite in Host Rock

Fluorite (Calcium Fluoride, CaF2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Travertine (Calcareous Tufa (CaCO3)) — sedimentary

Travertine

Calcareous Tufa (CaCO3)

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

Red Sandstone

Clastic sedimentary rock (primarily SiO2 with Fe2O3)

Pink Quartzite (Quartzite (primarily SiO2 with trace Fe2O3)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2 with trace Fe2O3)

Red Quartzite River Pebble (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Red Quartzite River Pebble

Quartzite (SiO2 with iron oxide inclusions)

Sunstone (Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)) — mineral

Sunstone

Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Biotite (Mica) (Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)) — mineral

Biotite (Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)

Mookaite (Mookaite Jasper) (Silicified Radiolarite (SiO2 with iron oxides)) — sedimentary

Mookaite (Mookaite Jasper)

Silicified Radiolarite (SiO2 with iron oxides)

Chalk (Calcium Carbonate (CaCO3)) — sedimentary

Chalk

Calcium Carbonate (CaCO3)

Sandstone (with Feldspathic/Arkose qualities) (Arenite (primarily SiO2 with KAlSi3O8 components)) — sedimentary

Sandstone (with Feldspathic/Arkose qualities)

Arenite (primarily SiO2 with KAlSi3O8 components)

Fossil Coral (Petoskey Stone or Favosites) (Favosites (specifically Hexagonaria percarinata if silica-replaced Michigan type)) — sedimentary

Fossil Coral (Petoskey Stone or Favosites)

Favosites (specifically Hexagonaria percarinata if silica-replaced Michigan type)

Limonite-stained Chert/Jasper (Microcrystalline Quartz (SiO2) with Iron Oxides (FeO(OH)·nH2O)) — sedimentary

Limonite-stained Chert/Jasper

Microcrystalline Quartz (SiO2) with Iron Oxides (FeO(OH)·nH2O)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Quartzite-rich) (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone (Quartzite-rich)

Clastic sedimentary rock (SiO2 primary)

Sandstone (Ferruginous) (Arenite with Iron-Oxide Cement (primarily SiO2 with Fe2O3/FeOOH)) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron-Oxide Cement (primarily SiO2 with Fe2O3/FeOOH)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Red Sandstone (Clastic Terrigenous Sedimentary Rock (primarily SiO2 with Fe2O3 coating)) — sedimentary

Red Sandstone

Clastic Terrigenous Sedimentary Rock (primarily SiO2 with Fe2O3 coating)

Red Sandstone (Arenite (with Iron Oxide / Hematite), Formula: SiO2 (Quartz) + Fe2O3 (Hematite coating)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide / Hematite), Formula: SiO2 (Quartz) + Fe2O3 (Hematite coating)

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

Sandstone

Arenite (composed primarily of SiO2)

Chert (Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

Gemstone Sand (Mineral Assortment) (Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)) — mineral

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

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

Sodalite

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

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

Hematite

Iron(III) oxide (Fe2O3)

Chert (Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Cinnabar in Quartz (Silicon Dioxide (Quartz, SiO2) with Mercury Sulfide inclusions (Cinnabar, HgS)) — mineral

Cinnabar in Quartz

Silicon Dioxide (Quartz, SiO2) with Mercury Sulfide inclusions (Cinnabar, HgS)

Sandstone (Quartzose Sandstone) (Arenite (SiO2 principal component)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2 principal component)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Chert (specifically Flint or Jasper variant) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline quartz (SiO2)

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

Cloudy Quartz

Quartz (Silicon Dioxide, SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)