Rock Identifier

Category

Igneous Rock

Browse igneous rock specimens identified by the Rock Identifier community.

Learn about Igneous Rock in the encyclopedia

Carbonatite

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Pyroxenite

Basalt

Diorite

Kimberlite

Troctolite

Gabbro

Norite

Granite (Granite (Phaneritic Quartz-Feldspar Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Rock)

Granite (Granite (Phaneritic Quartz-Feldspar rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar rock)

Granite (Granite (Phaneritic Quartz-Feldspar Rock)) — Igneous

Granite

Granite (Phaneritic Quartz-Feldspar Rock)

Granite Glacial Erratic (Intrusive Phaneritic Felsic Rock (Granite)) — igneous

Granite Glacial Erratic

Intrusive Phaneritic Felsic Rock (Granite)

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)

Weathered, feldspar-rich granite (likely gneissic granite) (Granite: mainly quartz (SiO₂), feldspar (K-feldspar and plagioclase), and minor mica; exact identification needs closer examination) — igneous

Weathered, feldspar-rich granite (likely gneissic granite)

Granite: mainly quartz (SiO₂), feldspar (K-feldspar and plagioclase), and minor mica; exact identification needs closer examination

Granite or granitic rock fragment (Granite; primarily quartz (SiO₂), feldspar, and mica) — igneous

Granite or granitic rock fragment

Granite; primarily quartz (SiO₂), feldspar, and mica

Granite (Phaneritic plutonic rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

Snowflake Obsidian (Volcanic glass containing Spherulitic Cristobalite (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass containing Spherulitic Cristobalite (SiO2)

Granite (Granitoid) — igneous

Granite

Granitoid

Granite Cobble (Granite (composed primarily of quartz, feldspar, and mica)) — igneous

Granite Cobble

Granite (composed primarily of quartz, feldspar, and mica)

Granite (Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)

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

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)

Dalmatian Stone (Peralkaline rhyolite) — igneous

Dalmatian Stone

Peralkaline rhyolite

Granite (Granite) — igneous

Granite

Granite

Weathered sandstone pebble (Quartz-rich sandstone, likely ferruginous litharenite) — sedimentary

Weathered sandstone pebble

Quartz-rich sandstone, likely ferruginous litharenite

Likely weathered granite or granitic pegmatite fragment (Granite; chiefly quartz, feldspar, and minor mica (exact identification uncertain from the image)) — igneous

Likely weathered granite or granitic pegmatite fragment

Granite; chiefly quartz, feldspar, and minor mica (exact identification uncertain from the image)

Likely weathered granite or granitic pebble (Granite, chiefly quartz, feldspar, and mica) — igneous

Likely weathered granite or granitic pebble

Granite, chiefly quartz, feldspar, and mica

Weathered granite or granitic gneiss pebble (Granite; chiefly quartz, feldspar, and biotite/hornblende) — igneous

Weathered granite or granitic gneiss pebble

Granite; chiefly quartz, feldspar, and biotite/hornblende

Weathered granitic rock fragment (Likely granite or granodiorite; quartz–feldspar–mica aggregate) — igneous

Weathered granitic rock fragment

Likely granite or granodiorite; quartz–feldspar–mica aggregate

Feldspar-rich Granite (Pink Granite) (Granite (Orthoclase rich)) — igneous

Feldspar-rich Granite (Pink Granite)

Granite (Orthoclase rich)

Dalmatian Stone (Peralkaline rhyolite with arfvedsonite inclusions) — igneous

Dalmatian Stone

Peralkaline rhyolite with arfvedsonite inclusions

Feldspar-Quartz Rock (likely Pegmatite or Granite) (Feldspar-Quartz composite rock (KAlSi3O8 - SiO2)) — igneous

Feldspar-Quartz Rock (likely Pegmatite or Granite)

Feldspar-Quartz composite rock (KAlSi3O8 - SiO2)

Dalmatian Jasper (Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)) — igneous

Dalmatian Jasper

Dalmatian Stone (Felsite with Arfvedsonite/Tourmaline)

Granite Pebble (River Rock) (Granite (composed primarily of Quartz, Feldspar, and Mica)) — igneous

Granite Pebble (River Rock)

Granite (composed primarily of Quartz, Feldspar, and Mica)

Dalmatian Stone (Peralkaline rhyolite with arfvedsonite (formerly incorrectly called Dalmatian Jasper)) — igneous

Dalmatian Stone

Peralkaline rhyolite with arfvedsonite (formerly incorrectly called Dalmatian Jasper)

Granite Cobble (Granite (Phaneritic Quartz-Feldspar Felsic Rock)) — igneous

Granite Cobble

Granite (Phaneritic Quartz-Feldspar Felsic Rock)

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

Dalmatian Stone

Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite

Greenstone / Epidosite (Metamorphosed Mafic Igneous Rock (Epidote-Chlorite group)) — metamorphic

Greenstone / Epidosite

Metamorphosed Mafic Igneous Rock (Epidote-Chlorite group)

River Cobble (Quartzite / Porphyritic Igneous Rock) (Siliceous rock / Water-worn lithic fragment) — igneous

River Cobble (Quartzite / Porphyritic Igneous Rock)

Siliceous rock / Water-worn lithic fragment

Granite / Gneiss (Felsic Metamorphic or Igneous Rock) (Gneiss (or weathered Granite)) — metamorphic

Granite / Gneiss (Felsic Metamorphic or Igneous Rock)

Gneiss (or weathered Granite)

Granite (Intrusive igneous felsic rock) — igneous

Granite

Intrusive igneous felsic rock

Dalmatian Stone (often called Dalmatian Jasper) (Peralkaline Feldsphathic Igneous Rock) — igneous

Dalmatian Stone (often called Dalmatian Jasper)

Peralkaline Feldsphathic Igneous Rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Dalmatian Stone (Dalmatian Stone (formerly called Dalmatian Jasper)) — igneous

Dalmatian Stone

Dalmatian Stone (formerly called Dalmatian Jasper)

Granite (Phaneritic plutonic felsic rock) — igneous

Granite

Phaneritic plutonic felsic rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Dalmatian Stone (commonly Dyed) (Dalmatian Jasper (Peralkaline igneous rock)) — igneous

Dalmatian Stone (commonly Dyed)

Dalmatian Jasper (Peralkaline igneous rock)

Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

Weathered granite fragment (Granite; primarily quartz (SiO₂), feldspar, and mica) — igneous

Weathered granite fragment

Granite; primarily quartz (SiO₂), feldspar, and mica