Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Extrusive volcanic rock)
igneous
Category
Mineral On Igneous Rock
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
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Basalt
Mafic extrusive igneous rock
igneous
Granite
Intrusive Igneous Rock (Felsic)
igneous
Granite / Quartz with Mica inclusion
Granite (Plutonic Igneous Rock)
igneous
Pink Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Phaneritic Igneous Rock (Granite)
igneous
Granite
Granite (a common type of Felsic Intrusive Igneous Rock)
Igneous Rock
Granite with Mafic Xenolith
Intrusive Igneous Rock (Felsic to Intermediate)
igneous
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2) with various iron-oxide inclusions
mineral
Granite Cobble
Intrusive Igneous Rock (Quartz, Feldspar, Mica)
igneous
Basalt (Greenstone)
Extrusive mafic igneous rock
igneous
Basalt with Epidote Veins
Mafic Igneous Rock (Basalt)
igneous
Tumbled granite or granitic gneiss pebble
Granite/granitic gneiss, chiefly quartz, feldspar, and dark biotite or amphibole
igneous
Yellow Chalcedony (likely Carnelian or Agate)
Silicon dioxide (SiO2)
mineral
Weathered granite or granitic gneiss fragment
Quartz–feldspar–mica granite; possibly foliated granitic gneiss
igneous
Granite with Tourmaline
Felsic intrusive igneous rock containing schorl (tourmaline)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Intrusive Igneous Rock (Mainly Quartz, Feldspar, and Mica)
igneous
Granite
Intrusive Felsic Igneous Rock
igneous
Diorite
Intermediate Phaneritic Igneous Rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite Cobble
Plutonic Igneous Rock (Granitic)
igneous
Biotite Granite
Phaneritic Felsic Igneous Rock
igneous
Granite (weathered/river-tumbled)
Granite (Plutonic Igneous Rock)
Igneous Rock
Basalt with Quartz Vein
Basalt (Mafic Extrusive Igneous Rock)
igneous
Dalmatian Jasper (Dalmatian Stone)
Perthitic Feldspar with Arfvedsonite/Riebeckite
igneous
Rhyolite (Porphyritic / Vesicular)
Rhyolite
igneous
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Granite Glacial Erratic
Intrusive Phaneritic Felsic Rock (Granite)
igneous
Granite
Intrusive Igneous Rock (Felsic)
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Gneiss (Banded Gneiss Cobble)
Gneiss
metamorphic
Granite
Felsic intrusive igneous rock
igneous
Granite
Phaneritic Felsic Igneous Rock (Main minerals: SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Granite
Felsic intrusive igneous rock
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Extrusive mafic igneous rock
igneous
Granite (Polished Slab)
Granite (Plutonic Igneous Rock)
igneous
Diorite
Diorite (plutonic igneous rock)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Porphyritic Basalt (with Pyrolusite or Iron-oxide staining)
Porphyritic Basalt (Mafic Extrusive)
igneous