Rock Identifier

Category

Mineral On Igneous Rock

Browse mineral on igneous rock specimens identified by the Rock Identifier community.

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria

Scoria (Lava Rock) (Vesicular Basalt / Scoria) — igneous

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Pumice (Pumiceous rhyolite / Volcanic glass) — igneous

Pumice

Pumiceous rhyolite / Volcanic glass

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Glauconite (Glauconitic Sandstone) (Glauconite [(K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2]) — sedimentary

Glauconite (Glauconitic Sandstone)

Glauconite [(K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2]

Sandstone (with possibly iron oxides and other minerals) (Sandstone) — Sedimentary rock

Sandstone (with possibly iron oxides and other minerals)

Sandstone

Sedimentary rock

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Basalt (Basalt) — igneous

Basalt

Basalt

Vesicular Basalt (Basalt with vesicular texture) — igneous

Vesicular Basalt

Basalt with vesicular texture

Dyed Pumice (Vesicular Rhyolite (Artificial Coloration Addition)) — igneous

Dyed Pumice

Vesicular Rhyolite (Artificial Coloration Addition)

Pumice (Pumice (a volcanic glass, primarily SiO2 with Al2O3)) — igneous

Pumice

Pumice (a volcanic glass, primarily SiO2 with Al2O3)

Pumice (Pumice (Highly vesicular volcanic glass)) — igneous

Pumice

Pumice (Highly vesicular volcanic glass)

Pumice (Pumice (Vesicular Rhyolite/Andesite)) — igneous

Pumice

Pumice (Vesicular Rhyolite/Andesite)

Porphyritic Basalt (Chinese Writing Stone) (Porphyritic Basalt with Andalusite or Feldspar laths) — igneous

Porphyritic Basalt (Chinese Writing Stone)

Porphyritic Basalt with Andalusite or Feldspar laths

Mahogany Obsidian (Volcanic Glass (predominantly SiO2 with inclusions of Hematite or Magnetite)) — igneous

Mahogany Obsidian

Volcanic Glass (predominantly SiO2 with inclusions of Hematite or Magnetite)

Basalt with Olivine Phenocrysts (Porphyritic Basalt (with (Mg, Fe)2SiO4)) — igneous

Basalt with Olivine Phenocrysts

Porphyritic Basalt (with (Mg, Fe)2SiO4)

Que Sera Stone (Llanite) (Rhyolite containing blue quartz and feldspar) — igneous

Que Sera Stone (Llanite)

Rhyolite containing blue quartz and feldspar

Basalt (Basalt (Aphanitic Mafic Volcanic)) — igneous

Basalt

Basalt (Aphanitic Mafic Volcanic)

Basalt (Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)

Basalt (Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)) — igneous

Basalt

Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)

Basalt with Magnetite (Crystalline Basalt (Primarily Plagioclase and Pyroxene) with Magnetite (Fe3O4)) — igneous

Basalt with Magnetite

Crystalline Basalt (Primarily Plagioclase and Pyroxene) with Magnetite (Fe3O4)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Scoria (Lava Rock) (Scoria (Vesicular Basalt)) — igneous

Scoria (Lava Rock)

Scoria (Vesicular Basalt)

Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix) — Metamorphic or Igneous (context dependent)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Sedimentary/Metamorphic Matrix

Metamorphic or Igneous (context dependent)

Sandstone (Sandstone (various mineral compositions)) — Sedimentary

Sandstone

Sandstone (various mineral compositions)

Citrine (SiO2 (Silicon Dioxide)) — Mineral

Citrine

SiO2 (Silicon Dioxide)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Vesicular Basalt (Scoria) (Mafic extrusive volcanic rock (predominantly Plagioclase feldspar and Pyroxene)) — igneous

Vesicular Basalt (Scoria)

Mafic extrusive volcanic rock (predominantly Plagioclase feldspar and Pyroxene)

Basalt Porphyry (River Pebble) (Porphyritic Basalt) — igneous

Basalt Porphyry (River Pebble)

Porphyritic Basalt

Quartzite River Rock (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Rock

Quartzite (primarily SiO2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — Mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Shale (Clastic sedimentary rock (primarily clay and silt minerals)) — sedimentary

Shale

Clastic sedimentary rock (primarily clay and silt minerals)

Diamond (Diamond (pure carbon; C)) — Mineral

Diamond

Diamond (pure carbon; C)

Gneiss (High-grade foliated metamorphic rock) — metamorphic

Gneiss

High-grade foliated metamorphic rock

Concretion (Various mineral compositions, typically carbonate or iron oxide cemented sediment) — Sedimentary

Concretion

Various mineral compositions, typically carbonate or iron oxide cemented sediment

Slag (Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)) — igneous (artificial/anthropogenic)

Slag

Ferrous Slag (Amorphous calcium-magnesium-aluminum silicates)

igneous (artificial/anthropogenic)

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

Labradorite

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

Sodalite (Sodium Aluminum Silicate Chloride (Na8Al6Si6O24Cl2)) — mineral

Sodalite

Sodium Aluminum Silicate Chloride (Na8Al6Si6O24Cl2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Quartz (chalcedony variety) or Limestone with Quartz Veins (SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)) — Mineral or Sedimentary Rock (with mineral inclusions)

Quartz (chalcedony variety) or Limestone with Quartz Veins

SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)

Mineral or Sedimentary Rock (with mineral inclusions)