Granite (Pink/Red)
Phaneritic Igneous Rock (Rich in K-Feldspar)
igneous
Category
Igneous
Browse igneous specimens identified by the Rock Identifier community.
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Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt with Granite Inclusions (Xenoliths)
Mafic igneous rock (Basalt) with Sialic minerals
igneous
Vesicular Basalt (Scoria)
Aphanitic Mafic Igneous Rock (Vesicular Basalt)
igneous
Basalt Column Section
Columnar Basalt (Mafic Extrusive Igneous Rock)
igneous
Crushed Stone (Basalt/Gabbro)
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock with Hydrothermal Veining
igneous
Scoria
Extrusive Igneous Rock (Basaltic/Andesitic Composition)
igneous
Basalt with Quartz Veins
Mafic Igneous Rock with Quartz (SiO2) intrusions
igneous
Diorite
Phaneritic Intrusive Igneous Rock (Intermediate Composition)
igneous
Basalt with Iron Oxide staining
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Pumice
Pumice (a highly vesicular extrusive igneous rock)
Igneous
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock (Hydrothermal Veined)
igneous
Basalt (with possible Olivine inclusions)
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Pumice
Pumice (Vesicular felsic extrusive igneous rock)
igneous
Granite (with Orthoclase and Quartz)
Phaneritic Felsic Igneous Rock (KAlSi3O8 + SiO2)
igneous
Vesicular Rhyolite
Extrusive igneous rock (high-silica rhyolite)
igneous
Pumice
Pumice (a highly vesicular extrusive igneous rock)
igneous
Granite
Phaneritic plutonic igneous rock (SiO2 rich)
igneous
River Stone (likely Basalt or Greywacke)
Basalt (fine-grained mafic igneous rock)
igneous
Granite
Granite (phaneritic intrusive felsic igneous rock)
igneous
Vesicular Basalt (Iron Scoria)
Aphanitic Mafic Igneous Rock with Vesicular Texture
igneous
Granite
Phaneritic intrusive igneous rock (primarily SiO2)
igneous
River Basalt (Cobble)
Mafic Igneous Rock (Fine-grained Basalt)
Igneous
Vesicular Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Vesicular Basalt
Aphanitic Mafic Igneous Rock (with Vesicular Texture)
igneous
Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
sedimentary (secondary mineral) within igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Porphyritic Basalt or Diabase with Plagioclase Phenocrysts
Porphyritic Basalt or Diabase; Mineral: Plagioclase Feldspar
Igneous
Vesicular Basalt (Scoria)
Aphanitic Mafic Igneous Rock with Vesicular Texture
igneous
Weathered Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
River Cobble (likely Basalt or Greenstone)
Mafic Igneous Rock (with possible chloritic alteration)
igneous
Pink Granite
Pink Granite (Felsic Intrusive Igneous Rock)
igneous
Vesicular Basalt with Calcification
Vesicular Basalt (Aphanitic extrusive igneous rock)
igneous
Basalt with Quartz/Calcite Veins
Extrusive mafic igneous rock with hydrothermal mineralization
igneous
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt
Basalt (Fine-grained extrusive igneous rock)
igneous
Red Scoria (Lava Rock)
Scoria (Extrusive Igneous Rock / Mafic composition)
igneous
Basalt
Basalt (Vitreous to Aphanitic Mafic Igneous Rock)
igneous