Rock Identifier

Category

Synthetic Material (Not A Rock Or Mineral)

Browse synthetic material (not a rock or mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic Material (Not A Rock Or Mineral) in the encyclopedia

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Halite

Opalite

Lead Feldspar

Dolomite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Shale (or Mudstone) (Laminose Mudrock (composition: clay minerals, quartz, and mica flakes)) — sedimentary

Shale (or Mudstone)

Laminose Mudrock (composition: clay minerals, quartz, and mica flakes)

Sandstone (Arenite (predominantly SiO2 quartz grains)) — sedimentary

Sandstone

Arenite (predominantly SiO2 quartz grains)

Quartz Geode (Silicon Dioxide (SiO2) in Host Rock) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in Host Rock

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

Red Sandstone

Arenite (primarily Quartz with Iron Oxide)

Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz / Rose Quartz

Silicon Dioxide (SiO2)

Tektite (Tektite (meteoritic glass)) — meteorite

Tektite

Tektite (meteoritic glass)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Quartz-rich) (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (composed mainly of SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Chalcedony on Matrix (Silicon Dioxide (SiO2)) — mineral

Chalcedony on Matrix

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Orange Calcite (or Yellow Calcite) (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite (or Yellow Calcite)

Calcium Carbonate (CaCO3)

Gold and Cubic Zirconia (San Judas Tadeo Pendant) (Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)) — mineral

Gold and Cubic Zirconia (San Judas Tadeo Pendant)

Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone Pebble (Arenite (Siliclastic sedimentary rock)) — sedimentary

Sandstone Pebble

Arenite (Siliclastic sedimentary rock)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Red Sandstone (Arenite (Fe2O3 enriched)) — sedimentary

Red Sandstone

Arenite (Fe2O3 enriched)

Calcite (Honey Calcite and Agate) (Calcium Carbonate (CaCO3)) — mineral

Calcite (Honey Calcite and Agate)

Calcium Carbonate (CaCO3)

Milky Quartz (among River Rock) (Quartz (Silicon Dioxide, SiO2)) — Mineral

Milky Quartz (among River Rock)

Quartz (Silicon Dioxide, SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartzwacke / Impure Sandstone (Arenite with minor lithic fragments (Silicon Dioxide matrix)) — sedimentary

Quartzwacke / Impure Sandstone

Arenite with minor lithic fragments (Silicon Dioxide matrix)

Possible tektite or iron-rich slag-like natural specimen (Uncertain; possibly natural glass (tektite) or magnetite-rich rock) — mineral

Possible tektite or iron-rich slag-like natural specimen

Uncertain; possibly natural glass (tektite) or magnetite-rich rock

Mixed rock and mineral collection (Mixed lithologies; likely quartz, feldspar, basalt, granite, chert, sandstone, and metamorphic rocks) — igneous, sedimentary, metamorphic, mineral

Mixed rock and mineral collection

Mixed lithologies; likely quartz, feldspar, basalt, granite, chert, sandstone, and metamorphic rocks

igneous, sedimentary, metamorphic, mineral

Sandstone (Sedimentary Rock (Quartz arenite / Lithic sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite / Lithic sandstone)

Sandstone (Quartz Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Clastic Sedimentary Rock

River Pebble (Siltstone / Sandstone Pebble) (Sedimentary Rock (Quartz, Feldspar, Clay Minerals)) — sedimentary

River Pebble (Siltstone / Sandstone Pebble)

Sedimentary Rock (Quartz, Feldspar, Clay Minerals)

Sandstone (Sedimentary Clastic Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartz arenite)

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

Sandstone (likely Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

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

Red Sandstone

Arenite (SiO2 with Fe2O3)

Massive Quartz (Silicon dioxide (SiO2)) — mineral

Massive Quartz

Silicon dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone (likely Ferruginous) (Sandstone (SiO2 with iron oxides)) — sedimentary

Sandstone (likely Ferruginous)

Sandstone (SiO2 with iron oxides)

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

Sandstone (with Lichen)

Arenite (composed primarily of SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

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

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Fossilized Bone (Permineralized Vertebrate Bone) — fossil

Fossilized Bone

Permineralized Vertebrate Bone

Ocean Jasper (Orbicular Jasper (Silicon Dioxide with impurities), SiO2) — mineral

Ocean Jasper

Orbicular Jasper (Silicon Dioxide with impurities), SiO2