Rock Identifier

Category

Mineral In Igneous Rock

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

Shale or Slate with Quartz Veins (Shale (fine-grained clastic sedimentary rock) or Slate (low-grade metamorphic rock formed from shale) with Quartz (SiO2) veins) — Metamorphic, likely Sedimentary with Quartz veins

Shale or Slate with Quartz Veins

Shale (fine-grained clastic sedimentary rock) or Slate (low-grade metamorphic rock formed from shale) with Quartz (SiO2) veins

Metamorphic, likely Sedimentary with Quartz veins

Not a rock, mineral, or geological specimen — N/A

Not a rock, mineral, or geological specimen

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Scoria (Red Lava Rock)

Scoria (Vesicular Basalt/Andesite)

Greenstone / Glauconitic Siltstone (Metabasalt or Glauconite-rich Sedimentary Rock) — metamorphic or sedimentary

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

metamorphic or sedimentary

Granodiorite (Granodiorite (Intermediate plutonic rock)) — igneous

Granodiorite

Granodiorite (Intermediate plutonic rock)

Vesicular Basalt (Basalt) — igneous

Vesicular Basalt

Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (composition primarily Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Basalt (composition primarily Plagioclase Feldspar and Pyroxene)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt Pebble

Basalt (Mafic Volcanic Rock)

Basalt (Vesicular) (Basalt (Mafic volcanic rock)) — igneous

Basalt (Vesicular)

Basalt (Mafic volcanic rock)

Basalt (River Pebble) (Basalt) — igneous

Basalt (River Pebble)

Basalt

Basalt River Stone (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt River Stone

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt (Basalt (High-iron/magnesium silicate rock)) — igneous

Basalt

Basalt (High-iron/magnesium silicate rock)

Basalt with Vesicles (Aphanitic Mafic Volcanic Rock (Basalt)) — igneous

Basalt with Vesicles

Aphanitic Mafic Volcanic Rock (Basalt)

Basalt Pebble with Quartz Veining (Basalt (extrusive volcanic rock)) — igneous

Basalt Pebble with Quartz Veining

Basalt (extrusive volcanic rock)

Basalt Pebble (Extrusive Mafic Volcanic Rock) — igneous

Basalt Pebble

Extrusive Mafic Volcanic Rock

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt River Stone (Basalt (Mafic volcanic rock)) — igneous

Basalt River Stone

Basalt (Mafic volcanic rock)

Vesicular Basalt (Extrusive Basalt (Mafic Silicate)) — igneous

Vesicular Basalt

Extrusive Basalt (Mafic Silicate)

Basalt (Vesicular/Amygdaloidal or Water-Worn) (Basalt) — igneous

Basalt (Vesicular/Amygdaloidal or Water-Worn)

Basalt

Basalt (Fieldstone) (Basalt) — igneous

Basalt (Fieldstone)

Basalt

Grey Basalt Pebble (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Grey Basalt Pebble

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt (Greenstone/Trap Rock) (Basalt (dominated by plagioclase feldspar and pyroxene)) — igneous

Basalt (Greenstone/Trap Rock)

Basalt (dominated by plagioclase feldspar and pyroxene)

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

Basalt Pebble

Basalt (Mafic volcanic rock)

Basalt (Basalt (Aphanitic-to-porphyritic mafic volcanic rock)) — igneous

Basalt

Basalt (Aphanitic-to-porphyritic mafic volcanic rock)

Basalt Pebble (Vesicular Basalt) — igneous

Basalt Pebble

Vesicular Basalt

Basalt (Basalt) — igneous

Basalt

Basalt

Porphyritic Basalt (Basalt (with plagioclase phenocrysts)) — igneous

Porphyritic Basalt

Basalt (with plagioclase phenocrysts)

Basalt (Polished River Stone) (Basalt (Extrusive Mafic Volcanic Rock)) — igneous

Basalt (Polished River Stone)

Basalt (Extrusive Mafic Volcanic Rock)

Quartz (Silicon dioxide (SiO2)) — Mineral

Quartz

Silicon dioxide (SiO2)

Crushed Stone (Gravel/Aggregates) (Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)) — sedimentary and igneous (mixed)

Crushed Stone (Gravel/Aggregates)

Crushed rock aggregate (varied composition including Granite, Limestone, and Quartz)

sedimentary and igneous (mixed)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (Vesicular) (Basalt) — igneous

Basalt (Vesicular)

Basalt

Vesicular Basalt (Extrusive Mafic Volcanic Rock) — igneous

Vesicular Basalt

Extrusive Mafic Volcanic Rock

Basalt (Extrusive volcanic basalt) — igneous

Basalt

Extrusive volcanic basalt

Basalt River Stone (Basalt (Mafic volcanic rock)) — igneous

Basalt River Stone

Basalt (Mafic volcanic rock)

Basalt River Pebble (Extrusive Mafic Basalt) — igneous

Basalt River Pebble

Extrusive Mafic Basalt

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Basalt River Stone (Aphanitic Basalt) — igneous

Basalt River Stone

Aphanitic Basalt