Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Learn about Igneous in the encyclopedia

Albitite

Alnöite

Andesite

Anorthosite

Apache Tears

Banded Obsidian

Banded Obsidian

Basalt

Black Obsidian

Blue Pearl Granite

Blue Pearl Granite

Boninite

Bostonite

Brown Obsidian

Granite (Granite) — Igneous

Granite

Granite

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

Apatite

Fluorapatite (Ca5(PO4)3F)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

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

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

Magnetite (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite

Iron(II,III) oxide (Fe3O4)

Granite (Granite) — igneous

Granite

Granite

Granite (Granite) — Igneous

Granite

Granite

Polished gray stone, likely labradorite or gneiss (Indeterminate from image; possibly plagioclase-rich gneiss or labradorite-bearing rock) — mineral

Polished gray stone, likely labradorite or gneiss

Indeterminate from image; possibly plagioclase-rich gneiss or labradorite-bearing rock

Dalmatian Jasper (Aplite with Arfvedsonite inclusions) — igneous

Dalmatian Jasper

Aplite with Arfvedsonite inclusions

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30) — mineral

Sugilite

KNa2(Fe,Mn,Al)2Li3Si12O30

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Dalmatian Jasper (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Jasper

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Blue Apatite (Apatite (Group), Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Group), Ca5(PO4)3(F,Cl,OH)

Basalt (Basalt) — Igneous

Basalt

Basalt

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Blue Apatite (Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Fluorapatite / Apatite Group Ca5(PO4)3(F,Cl,OH)

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Likely raw rose quartz or pink feldspar fragment (Quartz (SiO₂), possibly pink feldspar such as orthoclase) — mineral

Likely raw rose quartz or pink feldspar fragment

Quartz (SiO₂), possibly pink feldspar such as orthoclase

Magnetite (potentially Hematite) (Magnetite (Fe₃O₄)) — mineral

Magnetite (potentially Hematite)

Magnetite (Fe₃O₄)

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

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Crushed Granite and Basalt (Phaneritic Igneous Rock / Aphanitic Igneous Rock) — igneous

Crushed Granite and Basalt

Phaneritic Igneous Rock / Aphanitic Igneous Rock

Porphyritic Igneous Pebble / Porphyry (Porphyritic Igneous Rock) — igneous

Porphyritic Igneous Pebble / Porphyry

Porphyritic Igneous Rock

Quartz with Host Rock Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz with Host Rock Matrix

Silicon Dioxide (SiO2)

Dark Igneous Rock (Likely Basalt or Diabase) (Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.) — Igneous

Dark Igneous Rock (Likely Basalt or Diabase)

Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.

Pegmatite with Tourmaline and Quartz (Igneous Pegmatite) — igneous

Pegmatite with Tourmaline and Quartz

Igneous Pegmatite

Pegmatite (Quartz with Tourmaline/Biotite inclusions) (Igneous Pegmatite) — igneous

Pegmatite (Quartz with Tourmaline/Biotite inclusions)

Igneous Pegmatite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Pegmatite (Quartz and Feldspar with Dark Minerals) (Igneous Pegmatite) — igneous

Pegmatite (Quartz and Feldspar with Dark Minerals)

Igneous Pegmatite

Pegmatite (Igneous Pegmatite) — igneous

Pegmatite

Igneous Pegmatite

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

White Topaz (Al2SiO4(F,OH)2) — mineral

White Topaz

Al2SiO4(F,OH)2