Rock Identifier

Category

Igneous And Mineral

Browse igneous and mineral specimens identified by the Rock Identifier community.

Learn about Igneous And Mineral in the encyclopedia

Carbonatite

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Quartz Mineral (Silicon Dioxide (SiO2)) — mineral

Quartz Mineral

Silicon Dioxide (SiO2)

Agate (Chalcedony (SiO2)) — mineral

Agate

Chalcedony (SiO2)

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Magnetite (Lodestone) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone)

Magnetite (Fe3O4)

Tumbled Mixed Gemstones and Rocks (Various mineral species including quartz (SiO2) and silicate minerals) — mineral

Tumbled Mixed Gemstones and Rocks

Various mineral species including quartz (SiO2) and silicate minerals

Amygdaloidal Basalt with Agate/Zeolite Amygdules (Basalt (extrusive igneous rock) containing secondary mineral fillings) — igneous

Amygdaloidal Basalt with Agate/Zeolite Amygdules

Basalt (extrusive igneous rock) containing secondary mineral fillings

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Granite Cobble (Granite) — igneous

Granite Cobble

Granite

Blue Apatite (Calcium Fluorophosphate (Ca5(PO4)3F)) — mineral

Blue Apatite

Calcium Fluorophosphate (Ca5(PO4)3F)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Granite (Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Intrusive Igneous Rock (primarily Quartz, Feldspar, and Mica)

Blue Apatite (Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)) — mineral

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)

Quartz Vein (Iron-stained) (Silicon Dioxide (SiO2) with limonite/hematite staining) — mineral

Quartz Vein (Iron-stained)

Silicon Dioxide (SiO2) with limonite/hematite staining

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Unidentified metallic-looking mineral fragment (Indeterminate; possible galena, magnetite, or metal-rich sulfide/ore fragment) — mineral

Unidentified metallic-looking mineral fragment

Indeterminate; possible galena, magnetite, or metal-rich sulfide/ore fragment

Unidentified small mineral fragments (Likely quartz- or feldspar-rich material; species cannot be determined reliably from the image) — mineral

Unidentified small mineral fragments

Likely quartz- or feldspar-rich material; species cannot be determined reliably from the image

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Garnetiferous Pegmatite (Pegmatite with Almandine Garnet and Muscovite) — igneous

Garnetiferous Pegmatite

Pegmatite with Almandine Garnet and Muscovite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Quartz (Raw and Water-worn) (Silicon Dioxide (SiO2)) — mineral

Quartz (Raw and Water-worn)

Silicon Dioxide (SiO2)

Gold Mineral (Native Gold (Au)) — mineral

Gold Mineral

Native Gold (Au)

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Epidote (Epidote (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite (Iron sulfide (FeS2)) — mineral

Pyrite

Iron sulfide (FeS2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Biotite (Black Mica) (Biotite - K(Mg,Fe)3(AlSi3O10)(F,OH)2) — mineral

Biotite (Black Mica)

Biotite - K(Mg,Fe)3(AlSi3O10)(F,OH)2

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Tumbled Moonstone (Feldspar (Orthoclase/Albite), KAlSi3O8) — mineral

Tumbled Moonstone

Feldspar (Orthoclase/Albite), KAlSi3O8

Chalcopyrite (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Magnetic Sand Grain / Magnetite Pellet (Magnetite (Fe3O4)) — mineral

Magnetic Sand Grain / Magnetite Pellet

Magnetite (Fe3O4)

Arfvedsonite (often mistakenly sold as Astrophyllite) (Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]) — mineral

Arfvedsonite (often mistakenly sold as Astrophyllite)

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]

Quartz fragment (Silicon Dioxide (SiO2)) — mineral

Quartz fragment

Silicon Dioxide (SiO2)

Weathered vesicular basalt (likely amygdaloidal basalt) (Basalt, chiefly plagioclase and pyroxene with possible olivine; cavities may contain secondary zeolites, calcite, or silica) — igneous

Weathered vesicular basalt (likely amygdaloidal basalt)

Basalt, chiefly plagioclase and pyroxene with possible olivine; cavities may contain secondary zeolites, calcite, or silica