Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Category
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Lapis Lazuli
Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)
Amygdaloidal Basalt
Amygdaloidal Basalt containing Zeolite or Quartz (SiO2/Silicates)
Granite
Phaneritic intrusive felsic igneous rock
Gneiss
Gneiss (High-grade Metamorphic Rock)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Gneiss (Banded Gneiss)
Gneiss
Pink Granite
Granite (Phaneritic Felsic Igneous Rock)
Granite
Granite (Felsic intrusive igneous rock)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Sapphire (Tumbled/Polished)
Corundum (Al2O3)
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Granite
Granite
Granodiorite
Granodiorite (Phaneritic intrusive igneous rock containing Plagioclase, Quartz, and Biotite/Amphibole)
Gabbro
Phaneritic Mafic Igneous Rock
Granite
Granite (Phaneritic igneous rock)
Carnelian Agate
Chalcedony (SiO2 with iron oxide impurities)
Milky Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
Basalt
Mafic Igneous Rock (composed primarily of plagioclase, pyroxene, and olivine)
Granite
Phaneritic Felsic Igneous Rock
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (specifically Clear Quartz or Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Sunstone (Orthoclase Feldspar variant)
Orthoclase (KAlSi3O8) with inclusions
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Granite
Felsic Intrusive Igneous Rock
Granite
Granite (Felsic Plutonic Rock)
Granite
Granite (Felsic Plutonic Rock)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Diorite
Diorite (Intermediate intrusive igneous rock)
Amphibolite with Hornblende
Amphibole-rich Metamorphic Rock (Ca2(Mg,Fe)5Si8O22(OH)2)
Granite
Granite
Amethyst
Crystalline Quartz (SiO2) with iron impurities
Granite
Intrusive Phaneritic Felsic Igneous Rock
Granite
Granitic intrusive igneous rock
Granodiorite
Granodiorite (containing Plagioclase, Quartz, and Biotite)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Basalt
Basalt (Mafic Extrusive Igneous Rock)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Granite
Granite (a plutonic igneous rock)
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)