Rock Identifier

Category

Not A Rock Or Mineral (Anthropogenic Material)

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

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

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Halite

Dolomite

Gypsum

Coal

Peat

Dunite

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock

Quartz in Matrix (possibly Basalt or Siltstone host) (Silicon Dioxide (SiO2) in Host Rock) — mineral

Quartz in Matrix (possibly Basalt or Siltstone host)

Silicon Dioxide (SiO2) in Host Rock

Sandstone (Arenite) — Sedimentary

Sandstone

Arenite

Sandstone (Ferruginous) (Arenite with Iron Oxide matrix) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide matrix

Sedimentary Sandstone (Arenite (Sedimentary Rock)) — sedimentary

Sedimentary Sandstone

Arenite (Sedimentary Rock)

Slag (Industrial By-product) (Glassy silicate or metallic smelting residue) — mineral-like (anthropogenic)

Slag (Industrial By-product)

Glassy silicate or metallic smelting residue

mineral-like (anthropogenic)

Sandstone (Sedimentary Rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite or arkose)

Red Sandstone (Sandstone (Quartz Arenite / Arkose with Hematite cement)) — sedimentary

Red Sandstone

Sandstone (Quartz Arenite / Arkose with Hematite cement)

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

Quartz (Milky/Crystalline)

Silicon Dioxide (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

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

Sandstone (Red)

Arenite (composed primarily of SiO2)

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

Sandstone (Ferruginous)

Arenite (primarily SiO2 with iron oxide cement)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Sandstone

Sedimentary Rock (Quartz arenite / Lithic sandstone)

Porphyry (likely Porphyritic Andesite or Basalt) (Porphyritic Igneous Rock) — igneous

Porphyry (likely Porphyritic Andesite or Basalt)

Porphyritic Igneous Rock

Sandstone (with Concretion) (Arenite / Quartzose Sandstone) — sedimentary

Sandstone (with Concretion)

Arenite / Quartzose Sandstone

Red jasper in gray host rock (likely hematite-stained quartzite or rhyolite) (Jasper: microcrystalline quartz (SiO₂), with iron-oxide coloration; exact host uncertain from image) — mineral

Red jasper in gray host rock (likely hematite-stained quartzite or rhyolite)

Jasper: microcrystalline quartz (SiO₂), with iron-oxide coloration; exact host uncertain from image

Sandstone Pebble (Arenite (SiO2 based)) — sedimentary

Sandstone Pebble

Arenite (SiO2 based)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Poppy Jasper (Microcrystalline Quartz (SiO2) with mineral inclusions) — sedimentary

Poppy Jasper

Microcrystalline Quartz (SiO2) with mineral inclusions

Red Sandstone (Sedimentary Clastic Rock (Quartz Arenite)) — sedimentary

Red Sandstone

Sedimentary Clastic Rock (Quartz Arenite)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

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

Sandstone

Arenite (composed primarily of SiO2)

Shale (Laminated Mudstone) — sedimentary

Shale

Laminated Mudstone

Sandstone (Clastic sedimentary rock (primarily quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily quartz arenite)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Sandstone (Iron-stained) (Arenite with Limonite/Hematite staining) — sedimentary

Sandstone (Iron-stained)

Arenite with Limonite/Hematite staining

Sandstone (Sandstone (SiO2-dominated clastic rock)) — sedimentary

Sandstone

Sandstone (SiO2-dominated clastic rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone Pebble (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Ferruginous) (Arenite (Siliclastic Sedimentary Rock)) — sedimentary

Sandstone (Ferruginous)

Arenite (Siliclastic Sedimentary Rock)

Fulgurite (Fulgurite (Lechatelierite/Silica glass)) — mineral

Fulgurite

Fulgurite (Lechatelierite/Silica glass)

Granite (Granite) — Igneous

Granite

Granite