Rock Identifier

Category

Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite)

Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.

Learn about Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite) in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Carbonatite

Pegmatite

Argillite

Pyroxenite

Dalmatian Jasper

Dalmatian Jasper

Skarn

Serpentinite

Granulite

Cordierite Hornfels

Cordierite Hornfels

Lamprophyre

Bauxite

Scoria (Vesicular Mafic Igneous Rock) — igneous

Scoria

Vesicular Mafic Igneous Rock

Shale (Beach-worn) (Laminated Pelite (primarily clay minerals and quartz)) — sedimentary

Shale (Beach-worn)

Laminated Pelite (primarily clay minerals and quartz)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Quartz Vein on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz Vein on Matrix

Silicon Dioxide (SiO2)

Sandstone with Manganese Oxide Patina (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone with Manganese Oxide Patina

Clastic Sedimentary Rock (primarily SiO2)

Clear Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Tumbled)

Silicon Dioxide (SiO2)

Rose Quartz with Oxide Inclusions (Silicon Dioxide (SiO2)) — mineral

Rose Quartz with Oxide Inclusions

Silicon Dioxide (SiO2)

Quartz (Smoky/Grey Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Grey Variety)

Silicon Dioxide (SiO2)

Quartz (on matrix) (Quartz (Silicon Dioxide, SiO₂)) — Mineral

Quartz (on matrix)

Quartz (Silicon Dioxide, SiO₂)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

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

Sandstone

Sedimentary Clastic Rock (Quartzose Sandstone)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Limonite Concretion (Limonite (Hydrated iron oxide) FeO(OH)·nH2O) — sedimentary

Limonite Concretion

Limonite (Hydrated iron oxide) FeO(OH)·nH2O

Copper Ore (Cupriferous Rock / Mixed Mineral Matrix) — igneous

Copper Ore

Cupriferous Rock / Mixed Mineral Matrix

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Quartz Geode (Silicon Dioxide (SiO2) in Geode form) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in Geode form

Granite and Mixed Landscape Gravel (Plutonic Igneous Rock / Weathered Alluvium) — igneous

Granite and Mixed Landscape Gravel

Plutonic Igneous Rock / Weathered Alluvium

Bull Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Bull Quartz

Quartz (Silicon Dioxide - SiO2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Basalt Pebble (Aphanitic Igneous Rock / Basalt) — igneous

Basalt Pebble

Aphanitic Igneous Rock / Basalt

Garnet Gneiss (Gneiss containing almandine-pyrope garnet) — metamorphic

Garnet Gneiss

Gneiss containing almandine-pyrope garnet

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Bauxite (Alumina ore (Mixture of Gibbsite, Boehmite, and Diaspore)) — sedimentary

Bauxite

Alumina ore (Mixture of Gibbsite, Boehmite, and Diaspore)

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Schist (Garnet-Mica Schist) (Garnet-Mica Schist) — metamorphic

Schist (Garnet-Mica Schist)

Garnet-Mica Schist

Snowflake Obsidian (Obsidian with Cristobalite inclusions) — igneous

Snowflake Obsidian

Obsidian with Cristobalite inclusions

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

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

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Amethyst (Amethyst (Silicon Dioxide - SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2)

Granite (Granite (Felsic Plutonic Rock / SiO2 + Al2O3 + K2O + Na2O + CaO + FeO + MgO)) — igneous

Granite

Granite (Felsic Plutonic Rock / SiO2 + Al2O3 + K2O + Na2O + CaO + FeO + MgO)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pink Granite (Water-worn Pebble) (Felsic Intrusive Igneous Rock (Granite)) — igneous

Pink Granite (Water-worn Pebble)

Felsic Intrusive Igneous Rock (Granite)

Green Aventurine (Silicon Dioxide (Quartz variety with Fuchsite inclusions - SiO2)) — mineral

Green Aventurine

Silicon Dioxide (Quartz variety with Fuchsite inclusions - SiO2)

Ruby (Pinkish-Red) (Corundum (Al2O3 with Chromium trace)) — mineral

Ruby (Pinkish-Red)

Corundum (Al2O3 with Chromium trace)

Rhyolite (Rhyolite (High-silica volcanic rock)) — igneous

Rhyolite

Rhyolite (High-silica volcanic rock)

Gneiss (Metamorphic Gneiss (High-grade regional metamorphism)) — metamorphic

Gneiss

Metamorphic Gneiss (High-grade regional metamorphism)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Red Garnet (Pyrope or Almandine (Silicate group, X3Y2(SiO4)3)) — Mineral

Red Garnet

Pyrope or Almandine (Silicate group, X3Y2(SiO4)3)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria