Granite
Granite (Felsic Plutonic Rock)
igneous
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Porphyry
Porphyritic Andesite/Rhyolite
igneous
Granite
Granite (Phaneritic Quartz Monzonite)
igneous
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Quartz (Smoky/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Rough Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Basalt with Quartz Vein
Mafic Igneous Rock (SiO2 filling)
igneous
Smoky Quartz on Feldspar (Granite Pegmatite)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
igneous
Quartz Chip
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
igneous
Magnetite (potentially Lodestone)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
mineral
Granite
Plutonic felsic rock (Quartz, Feldspar, Mica)
igneous
Granite / Quartz with Mica inclusion
Granite (Plutonic Igneous Rock)
igneous
Granite
Plutonic felsic igneous rock
igneous
Pink Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Amygdaloidal Basalt
Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)
igneous
Pegmatite
Coarse-grained Igneous Rock (Granitic Pegmatite)
igneous
Granite Pebble
Granite (Phaneritic intrusive igneous rock comprising Quartz, Feldspar, and Mica)
igneous
Granite Pebble (Salt and Pepper Granite)
Felsic Intrusive Igneous Rock (Granite)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt containing Zeolite and Calcite inclusions
igneous
Gneiss (High-grade Metamorphic Rock)
Gneiss
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Black Obsidian
Volcanic Glass (SiO2 + impurities)
Igneous
Basalt
Basalt
igneous
Garnet
Silicate mineral group (often Pyrope or Almandine in this color range)
gemstone
Pegmatite
Granitic Pegmatite
igneous
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
mineral