Rock Identifier

Category

Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)

Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites) in the encyclopedia

Pegmatite

Pyroxenite

Tactite

Feldspathic Sandstone

Feldspathic Sandstone

Cordierite Hornfels

Cordierite Hornfels

Chondrite Meteorite (Ordinary Chondrite (L or H Group)) — igneous

Chondrite Meteorite

Ordinary Chondrite (L or H Group)

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Tektite (Indochinite) (Tektite (Amorphous Silica Glass), SiO2(Al2O3)) — igneous

Tektite (Indochinite)

Tektite (Amorphous Silica Glass), SiO2(Al2O3)

Quartz with Feldspar and Mica (Pegmatite Fragment) (Granitic Pegmatite) — igneous

Quartz with Feldspar and Mica (Pegmatite Fragment)

Granitic Pegmatite

Magnetite (in matrix) (Magnetite (Fe3O4)) — mineral

Magnetite (in matrix)

Magnetite (Fe3O4)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Iron Meteorite (likely Chondrite or weathered Iron-Nickel) (Meteorite (Fe-Ni alloy & silicates)) — igneous

Iron Meteorite (likely Chondrite or weathered Iron-Nickel)

Meteorite (Fe-Ni alloy & silicates)

Pyrite in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2)

Blue Sapphire (Raw/Tumbled Corundum) (Corundum (Aluminum Oxide, Al2O3 with Fe/Ti traces)) — mineral

Blue Sapphire (Raw/Tumbled Corundum)

Corundum (Aluminum Oxide, Al2O3 with Fe/Ti traces)

Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

White Topaz (faceted) (Aluminum silicate fluoride hydroxide (Al2SiO4(F, OH)2)) — gemstone

White Topaz (faceted)

Aluminum silicate fluoride hydroxide (Al2SiO4(F, OH)2)

Black Tourmaline (Schorl) on Quartz (NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)) — mineral

Black Tourmaline (Schorl) on Quartz

NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Scoria (Lava Rock) (Scoria (Mafic volcanic rock)) — igneous

Scoria (Lava Rock)

Scoria (Mafic volcanic rock)

Blue calcite (Calcite (CaCO₃), likely blue calcite with minor matrix minerals) — mineral

Blue calcite

Calcite (CaCO₃), likely blue calcite with minor matrix minerals

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist

Amazonite (Amazon Stone) (Tectosilicate Microcline (KAlSi3O8)) — mineral

Amazonite (Amazon Stone)

Tectosilicate Microcline (KAlSi3O8)

Tektite (Indochinite (Tektite)) — igneous

Tektite

Indochinite (Tektite)

Sapphire (Blue) (Corundum (Al2O3)) — mineral

Sapphire (Blue)

Corundum (Al2O3)

Corundum (variety Ruby/Sapphire) (Aluminum Oxide (Al2O3)) — mineral

Corundum (variety Ruby/Sapphire)

Aluminum Oxide (Al2O3)

Chondrite Meteorite (Stony Meteorite (L, H, or LL Chondrite)) — igneous

Chondrite Meteorite

Stony Meteorite (L, H, or LL Chondrite)

Chondrite Meteorite (L or H Ordinary Chondrite) — igneous

Chondrite Meteorite

L or H Ordinary Chondrite

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Quartzite (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Yellow Quartzite

Quartzite (SiO2 with iron oxide inclusions)

Peridot (likely, based on color and appearance) (Olivine group mineral, specifically (Mg,Fe)2SiO4 (Forsterite-Fayalite solid solution series)) — Mineral

Peridot (likely, based on color and appearance)

Olivine group mineral, specifically (Mg,Fe)2SiO4 (Forsterite-Fayalite solid solution series)

Iron Meteorite (Individual) (Siderite (composed of Kamacite and Taenite minerals)) — igneous

Iron Meteorite (Individual)

Siderite (composed of Kamacite and Taenite minerals)

Quartz Geode (with possible Manganese or Goethite coating) (Silicon Dioxide (SiO2)) — mineral

Quartz Geode (with possible Manganese or Goethite coating)

Silicon Dioxide (SiO2)

Ferruginous Sandstone (Ironstone) (Sedimentary rock with high iron oxide content (Fe2O3 / FeO(OH))) — sedimentary

Ferruginous Sandstone (Ironstone)

Sedimentary rock with high iron oxide content (Fe2O3 / FeO(OH))

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) vein cutting through host rock) — mineral

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) vein cutting through host rock

Garnet (Pyrope-Almandine series) (Garnet Group, (Mg,Fe)3Al2Si3O12) — mineral

Garnet (Pyrope-Almandine series)

Garnet Group, (Mg,Fe)3Al2Si3O12

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Scoria (Vesicular Basalt / Scoria) — igneous

Scoria

Vesicular Basalt / Scoria

Red Scoria (Scoria (Vesicular Basaltic Andesite)) — igneous

Red Scoria

Scoria (Vesicular Basaltic Andesite)

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

Quartz (Tumbled)

Silicon Dioxide (SiO2)

Ironstone Concretion (Goethite-rich Siltstone / Siderite (FeCO3)) — sedimentary

Ironstone Concretion

Goethite-rich Siltstone / Siderite (FeCO3)

Amazonite (Tectosilicate Microcline (KAlSi3O8)) — mineral

Amazonite

Tectosilicate Microcline (KAlSi3O8)

Quartz Vein Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Vein Rock

Silicon Dioxide (SiO2)

Diorite (Intermediate Phaneritic Igneous Rock) — igneous

Diorite

Intermediate Phaneritic Igneous Rock