Rock Identifier

Category

Non Geological

Browse non geological specimens identified by the Rock Identifier community.

Learn about Non Geological in the encyclopedia

Common Opal

Mudstone

Green Beryl

Matte Obsidian

Sapphire

Hornfels

Argillite

Mint Opal

Plazolite

Bixbite

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Hematite-rich Ironstone (Ferruginous Rock (Fe2O3)) — sedimentary

Hematite-rich Ironstone

Ferruginous Rock (Fe2O3)

Quartzite (Metamorphic Quartzite) — metamorphic

Quartzite

Metamorphic Quartzite

Quartzite (Metamorphic Quartz Arenite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Arenite (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartzite) — metamorphic

Quartzite

Metamorphic Quartzite

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Opal (Hydrated amorphous silica (SiO2·nH2O)) — gemstone

Opal

Hydrated amorphous silica (SiO2·nH2O)

Quartzite (Metamorphic Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Sandstone (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Rock (SiO2)

Quartz-veined Quartzite (Metamorphic quartz arenite) — metamorphic

Quartz-veined Quartzite

Metamorphic quartz arenite

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartz Arenite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Arenite (SiO2)

Quartzite (Metamorphic Quartzite) — metamorphic

Quartzite

Metamorphic Quartzite

Quartzite (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Rock (SiO2)

Quartzite (Metamorphic Quartzite) — metamorphic

Quartzite

Metamorphic Quartzite

Quartzite (Metamorphic Quartz Rock (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz Rock (SiO2)

Quartzite Pebble (Metamorphic Quartz) — metamorphic

Quartzite Pebble

Metamorphic Quartz

Sea Glass (Kelly Green) (Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)) — Anthropogenic specimen (Man-made material)

Sea Glass (Kelly Green)

Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)

Anthropogenic specimen (Man-made material)

Raw Garnet (Hessonite / Spessartine) (Silicate mineral group (X3Y2(SiO4)3)) — gemstone

Raw Garnet (Hessonite / Spessartine)

Silicate mineral group (X3Y2(SiO4)3)

Quartzite (Engineered Stone) (Silicon Dioxide (SiO2) based synthetic composite) — metamorphic

Quartzite (Engineered Stone)

Silicon Dioxide (SiO2) based synthetic composite

Raw Corundum (Sapphire/Ruby variant) (Aluminum oxide (Al2O3)) — mineral

Raw Corundum (Sapphire/Ruby variant)

Aluminum oxide (Al2O3)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Quartz (Engineered Stone Countertop) (Silicon Dioxide (SiO2) within a resin matrix) — igneous

Quartz (Engineered Stone Countertop)

Silicon Dioxide (SiO2) within a resin matrix

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Basalt pendant (Basalt; predominantly plagioclase feldspar, pyroxene, and commonly olivine) — igneous

Basalt pendant

Basalt; predominantly plagioclase feldspar, pyroxene, and commonly olivine

Zoisite with Ruby (Anyolite) (Anyolite (Calcium aluminium silicate hydroxide with Corundum)) — metamorphic

Zoisite with Ruby (Anyolite)

Anyolite (Calcium aluminium silicate hydroxide with Corundum)

Chert (River Stone) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Stone)

Microcrystalline Quartz (SiO2)

Green Quartz / Aventurine (Silicon Dioxide (SiO2) with inclusions) — Metamorphic

Green Quartz / Aventurine

Silicon Dioxide (SiO2) with inclusions

Native Gold (Gold (Au)) — mineral

Native Gold

Gold (Au)

Fancy Jasper (Silicon Dioxide (SiO2) with impurities) — mineral

Fancy Jasper

Silicon Dioxide (SiO2) with impurities

Blue Dyed Quartzite (Silicon Dioxide (SiO2) with artificial pigment) — metamorphic

Blue Dyed Quartzite

Silicon Dioxide (SiO2) with artificial pigment

Blue Slag Glass (Anthropogenic Amorphous Silicon Dioxide) — mineral

Blue Slag Glass

Anthropogenic Amorphous Silicon Dioxide

Common Green Opal (Hydrated amorphous silicon dioxide (SiO2·nH2O)) — mineral

Common Green Opal

Hydrated amorphous silicon dioxide (SiO2·nH2O)

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

Quartziteite (Pink Quartzite)

Quartzite (composed primarily of Quartz, SiO2)

Bauxite (Bauxite (Al2O3·2H2O)) — sedimentary

Bauxite

Bauxite (Al2O3·2H2O)

Polished Ocean Jasper (Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)) — mineral

Polished Ocean Jasper

Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)

Basalt (Basalt) — igneous

Basalt

Basalt

Sandstone with Liesegang Rings (Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)) — sedimentary

Sandstone with Liesegang Rings

Clastic Sedimentary Rock with Iron Oxide Precipitates (SiO2 + Fe2O3)

Yellow Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite Pebble

Quartzite (primarily SiO2)

Chert (likely flint) (Microcrystalline quartz (SiO₂), a variety of chert) — sedimentary

Chert (likely flint)

Microcrystalline quartz (SiO₂), a variety of chert