Rock Identifier

Category

Igneous And Sedimentary Mixture

Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Diabase (Greenstone) (Diabase or Dolerite) — igneous

Diabase (Greenstone)

Diabase or Dolerite

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

Granite

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

Granite (Granitoid) — igneous

Granite

Granitoid

Vesicular Basalt (Scoria) (Aphanitic Mafic Igneous Rock (Vesicular Basalt)) — igneous

Vesicular Basalt (Scoria)

Aphanitic Mafic Igneous Rock (Vesicular Basalt)

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

Scoria (Lava Rock)

Scoria (extrusive volcanic rock)

Black Obsidian (Volcanic Glass (70–75% SiO2 plus MgO, Fe3O4)) — igneous

Black Obsidian

Volcanic Glass (70–75% SiO2 plus MgO, Fe3O4)

Geodude (Geodude (Rock Pokémon: No. 74)) — igneous

Geodude

Geodude (Rock Pokémon: No. 74)

Sunstone (Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8

Yellow Aventurine (specifically a carved crescent moon) (Silicon Dioxide (SiO2) with inclusions) — mineral

Yellow Aventurine (specifically a carved crescent moon)

Silicon Dioxide (SiO2) with inclusions

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Moonstone (Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)) — mineral

Moonstone

Orthoclase (KAlSi3O8) with inclusions of Albite (NaAlSi3O8)

Labradorite (Schiller Spar) ((Na,Ca)(Al,Si)4O8) — mineral

Labradorite (Schiller Spar)

(Na,Ca)(Al,Si)4O8

Granite Cobble (Granite (Phaneritic Igneous Rock)) — igneous

Granite Cobble

Granite (Phaneritic Igneous Rock)

Arfvedsonite with Garnet (Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2) — igneous

Arfvedsonite with Garnet

Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2

Granite (Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Lepidolite on Pegmatite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) in Granitic Pegmatite) — igneous

Lepidolite on Pegmatite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) in Granitic Pegmatite

Granite (Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)

Apache Tear (Obsidian (Volcanic Glass), formula: 70–75% SiO2 plus MgO, Fe3O4) — igneous

Apache Tear

Obsidian (Volcanic Glass), formula: 70–75% SiO2 plus MgO, Fe3O4

Porphyritic Basalt (Chinese Writing Stone/Flower Stone) (Porphyritic Basalt (primarily Plagioclase Feldspar in a Mafic groundmass)) — igneous

Porphyritic Basalt (Chinese Writing Stone/Flower Stone)

Porphyritic Basalt (primarily Plagioclase Feldspar in a Mafic groundmass)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Que Sera Stone (Llanite) (Rhyolite Porphyry with Blue Quartz and Feldspar) — igneous

Que Sera Stone (Llanite)

Rhyolite Porphyry with Blue Quartz and Feldspar

Granitoid (Granite/Granodiorite) (Plutonic igneous rock (variable composition, primarily SiO2)) — igneous

Granitoid (Granite/Granodiorite)

Plutonic igneous rock (variable composition, primarily SiO2)

Granite (Phaneritic plutonic rock (Felsic)) — igneous

Granite

Phaneritic plutonic rock (Felsic)

Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (primarily composed of Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (primarily composed of Plagioclase feldspar and Pyroxene)

Pumice (Volcanic Rock) (Vesicular volcanic rock (composed largely of amorphous volcanic glass)) — igneous

Pumice (Volcanic Rock)

Vesicular volcanic rock (composed largely of amorphous volcanic glass)

Basalt (Mafic volcanic rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt

Mafic volcanic rock (primarily Plagioclase and Pyroxene)

Olivine (Peridotite) ((Mg,Fe)2SiO4 (Magnesium Iron Silicate)) — igneous

Olivine (Peridotite)

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

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

Olivine (Peridotite)

Magnesium Iron Silicate - (Mg, Fe)2SiO4

Basalt with Vesicular Texture (Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt with Vesicular Texture

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Basalt (Polished Pebble) (Basalt (Mafic volcanic rock)) — igneous

Basalt (Polished Pebble)

Basalt (Mafic volcanic rock)

Basalt (Vesicular or Porphyritic) (Basalt (composed primarily of plagioclase feldspar, pyroxene, and olivine)) — igneous

Basalt (Vesicular or Porphyritic)

Basalt (composed primarily of plagioclase feldspar, pyroxene, and olivine)

Basalt (Extrusive Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)) — igneous

Basalt

Extrusive Mafic Igneous Rock (composed primarily of Plagioclase and Pyroxene)

Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Mafic Volcanic Rock (Primarily Plagioclase feldspar and Pyroxene)) — Igneous

Basalt

Mafic Volcanic Rock (Primarily Plagioclase feldspar and Pyroxene)

Basalt (Basalt (extrusive volcanic rock)) — igneous

Basalt

Basalt (extrusive volcanic rock)

Basalt (River Pebble) (Basalt (dominated by Plagioclase Feldspar and Pyroxene)) — igneous

Basalt (River Pebble)

Basalt (dominated by Plagioclase Feldspar and Pyroxene)

Olivine in Basalt (Peridot) (Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) / Scoriaceous Basalt (Host Rock)) — igneous

Olivine in Basalt (Peridot)

Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) / Scoriaceous Basalt (Host Rock)