Spessartine Garnet in Quartz/Feldspar Pegmatite
Spessartine (Mn3Al2(SiO4)3) in Quartz (SiO2) and Feldspar
Mineral in Igneous Rock
Category
Mineral In Igneous Rock
Browse mineral in igneous rock specimens identified by the Rock Identifier community.
Quartz Druzy on Basalt
Silicon Dioxide (SiO2) on Mafic Volcanic Rock
Mineral on Igneous Rock
Quartz on Basalt
Silicon Dioxide (SiO2) on Mafic Igneous Rock
Mineral on Igneous Rock
Quartz / Quartzite
Silicon Dioxide (SiO2)
mineral / metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Basalt
Basalt
Igneous
Granite
Granite
Igneous
Granite with Epidote
Granite, containing quartz, feldspar, and epidote
Igneous
Basalt with Quartz Vein
Mafic volcanic rock with hydrothermal SiO2 filling
igneous
Dark-colored Igneous Rock (likely Basalt or Diabase)
Basalt (extrusive igneous) or Diabase (intrusive igneous)
Igneous Rock
Porphyritic Andesite/Basalt or Diorite River Rock
Porphyritic Igneous Rock
Igneous
Quartz in Host Rock
Silicon Dioxide (SiO2) in Rhyolite or Granite matrix
igneous
Basalt with Granite Inclusions (Xenoliths)
Mafic igneous rock (Basalt) with Sialic minerals
igneous
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
mineral
Granite
Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)
igneous
Magnetite
Magnetite (Fe3O4)
mineral
Vesicular Basalt
Vesicular Basalt
igneous
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
igneous
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Igneous
Granite
Granite
Igneous
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
igneous
Dalmatian Stone (Dalmatian Jasper)
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
igneous
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2) with miscellaneous inclusions
mineral
Granite fragment
Granite (Felsic Plutonic Rock)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Porphyry (likely Porphyritic Andesite or Basalt)
Porphyritic Igneous Rock
igneous
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Granodiorite (Weathered)
Granodiorite
igneous
Massive Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Smoky Quartz and Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
mineral
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
igneous
Epidote with Quartz/Feldspar
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock
Mineral/Metamorphic rock
Dalmatian Jasper
Aplite with Arfvedsonite inclusions
igneous
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Basalt
Mafic Igneous Rock
igneous
Granite
Granite (compositionally: Quartz, Alkali Feldspar, and Plagioclase)
igneous