Porphyritic Igneous Pebble / Porphyry
Porphyritic Igneous Rock
igneous
Category
Mineral On Igneous Rock
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
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Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Granodiorite (Weathered)
Granodiorite
igneous
Granite
Intrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
igneous
Smoky Quartz and Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
mineral
Granite with Cupules / Bedrock Mortars
Granite (felsic intrusive plutonic rock)
igneous
Granite Cobble
Granite
igneous
Granite
Granite (compositionally: Quartz, Alkali Feldspar, and Plagioclase)
igneous
Dalmation Stone
Dalmation Jasper (Igneous microcrystalline quartz with arfvedsonite)
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Basalt with Vesicular/Amygdaloidal Alteration
Extrusive Igneous Rock (Mafic)
igneous
Granite
Intrusive Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
igneous
Granite Pebble
Phaneritic intrusive igneous rock
igneous
Tumbled sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Granite
Intrusive Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
igneous
Granite
Intrusive Felsic Igneous Rock
igneous
Granite Pebble
Granite (Plutonic Igneous Rock)
igneous
Granite
Intrusive Igneous Rock
igneous
Basalt
Extrusive igneous rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock (Felsic)
igneous
Black Obsidian
Volcanic glass
igneous
Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Obsidian
Volcanic Glass
igneous
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic Felsic Igneous Rock
igneous
Kimberlite
Ultramafic igneous rock
igneous
Granite
Intrusive Igneous Rock
igneous
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic Felsic Igneous Rock
igneous
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
igneous
Granite
Phaneritic felsic intrusive igneous rock
igneous
Basalt (Vesicular or Porphyritic River Pebble)
Mafic Volcanic Rock (Aphanitic to Porphyritic Basalt)
igneous
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
mineral
K-feldspar Granite / Red Granite Fragment
Alkali feldspar granite (Plutonic igneous rock)
igneous
Gabbro
Gabbro
igneous
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)
mineral