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

Citrine (Yellow Quartz) (Silicon Dioxide (SiO2)) — Mineral

Citrine (Yellow Quartz)

Silicon Dioxide (SiO2)

Dalmation Jasper (or Dalmation Stone) (Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)) — igneous

Dalmation Jasper (or Dalmation Stone)

Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)

Milky Quartz with Mineral Inclusions (Silicon Dioxide (SiO2) with miscellaneous inclusions) — mineral

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2) with miscellaneous inclusions

Eclipse Stone (Kabamba Jasper) (Rhyolite with Aegirine (NaFe3+Si2O6)) — metamorphic

Eclipse Stone (Kabamba Jasper)

Rhyolite with Aegirine (NaFe3+Si2O6)

Silicon Carbide (Carborundum) (Moissanite (SiC), though mostly synthetic) — mineral

Silicon Carbide (Carborundum)

Moissanite (SiC), though mostly synthetic

Peridot in Basalt/Xenolith (Olivine (Mg, Fe)2SiO4 in Vesicular Basalt) — igneous

Peridot in Basalt/Xenolith

Olivine (Mg, Fe)2SiO4 in Vesicular Basalt

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz with Feldspar (SiO2 (Quartz) with KAlSi3O8 (Feldspar)) — mineral

Smoky Quartz with Feldspar

SiO2 (Quartz) with KAlSi3O8 (Feldspar)

Clear Quartz (Faceted Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Faceted Crystal)

Silicon Dioxide (SiO2)

Tektite (Indochinite) (Tektite (High-silica impact glass)) — mineraloid

Tektite (Indochinite)

Tektite (High-silica impact glass)

Quartz (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Ironstone Concretion (Pot Stone) (Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Pot Stone)

Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)

Asphalt (Bituminous Concrete) (Asphaltum / Bitumen-Aggregate Matrix) — Technonatural composite (often containing sedimentary/igneous aggregate)

Asphalt (Bituminous Concrete)

Asphaltum / Bitumen-Aggregate Matrix

Technonatural composite (often containing sedimentary/igneous aggregate)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Lunar Feldspathic Breccia (Lunar Meteorite (Feldspathic Regolith Breccia)) — igneous

Lunar Feldspathic Breccia

Lunar Meteorite (Feldspathic Regolith Breccia)

Tektite (Indochinite) (Tektite (Natural silica glass)) — meteorite

Tektite (Indochinite)

Tektite (Natural silica glass)

Moldavite (SiO2 (+ Al2O3, FeO, K2O) - Natural Tektite Glass) — gemstone

Moldavite

SiO2 (+ Al2O3, FeO, K2O) - Natural Tektite Glass

Leopard Skin Jasper (Orbicular Jasper (Silicon Dioxide, SiO2)) — sedimentary

Leopard Skin Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Peridot (Olivine) (Olivine, (Mg,Fe)2SiO4) — Mineral

Peridot (Olivine)

Olivine, (Mg,Fe)2SiO4

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Dumetierite in Quartz (Blue Quartz) (Dumortierite (Al7BO3(SiO4)3O3) inclusions in Quartz (SiO2)) — metamorphic

Dumetierite in Quartz (Blue Quartz)

Dumortierite (Al7BO3(SiO4)3O3) inclusions in Quartz (SiO2)

Schist (Schist) — metamorphic

Schist

Schist

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Granite Pebbles (Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)) — igneous

Granite Pebbles

Granite (composed primarily of Quartz SiO2, Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8), and Mica)

Siltstone (Siltstone (fine-grained clastic sedimentary rock)) — sedimentary

Siltstone

Siltstone (fine-grained clastic sedimentary rock)

Fossilized Brachiopod (Brachiopoda (e.g., Rhynchonellida or Spiriferida)) — sedimentary

Fossilized Brachiopod

Brachiopoda (e.g., Rhynchonellida or Spiriferida)

Satin Spar Selenite (Satin Spar (Calcium Sulfate Dihydrate, CaSO4·2H2O)) — mineral

Satin Spar Selenite

Satin Spar (Calcium Sulfate Dihydrate, CaSO4·2H2O)

Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite) ((Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar) — igneous

Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite)

(Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar

Serpentinite (Serpentinite (Hydrated magnesium iron silicate)) — metamorphic

Serpentinite

Serpentinite (Hydrated magnesium iron silicate)

Chrysoprase (Silicon dioxide (SiO2) with nickel impurities) — mineral

Chrysoprase

Silicon dioxide (SiO2) with nickel impurities

Sodalite (Sodalite [Na8(Al6Si6O24)Cl2]) — mineral

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

Scoria (Vesicular Basalt / Scoria) — igneous

Scoria

Vesicular Basalt / Scoria

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Red Quartzite (Strawberry Quartz) (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Red Quartzite (Strawberry Quartz)

Quartzite (SiO2 with iron oxide inclusions)

Mica Schist with Quartz (Schist containing Muscovite and Quartz) — metamorphic

Mica Schist with Quartz

Schist containing Muscovite and Quartz

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

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Felted Quartz / Chlorite Quartz (Chlorite included Quartz (SiO2 + (Mg,Fe)3(Si,Al)2O5(OH)4)) — mineral

Felted Quartz / Chlorite Quartz

Chlorite included Quartz (SiO2 + (Mg,Fe)3(Si,Al)2O5(OH)4)

Muscovite Mica (Golden/Yellow variety) (KAl2(AlSi3O10)(F,OH)2) — mineral

Muscovite Mica (Golden/Yellow variety)

KAl2(AlSi3O10)(F,OH)2

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

Peridot

Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)

Blue Apatite (Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)) — mineral

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH) (Calcium phosphate with Fluorine, Chlorine, or Hydroxyl)

Dalmatian Stone (Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite) — igneous

Dalmatian Stone

Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite