Pegmatite with Quartz and Feldspar
Intrusive Igneous Rock
igneous
Category
Mineral In Igneous Rock
Browse mineral in igneous rock specimens identified by the Rock Identifier community.
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Granite
Felsic intrusive igneous rock
igneous
Obsidian
Volcanic Glass (Amorphous SiO2)
igneous
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Lapis Lazuli
(Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)
metamorphic
Porphyritic Igneous Rock with Iron Oxide Weathering
Weathered Porphyry (containing Quartz, Feldspar, Amphibole/Biotite, and Hematite/Limonite)
igneous
Dalmation Stone (Dalmation Jasper)
Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)
igneous
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Granite
Intrusive Igneous Rock (composed mainly of quartz, alkali feldspar, and plagioclase)
igneous
Gneiss (Pebble)
Gneiss
metamorphic
Granite
Intrusive Igneous Rock
igneous
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Granite
Intrusive igneous rock
igneous
Granodiorite
Intrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Basalt with Quartz/Calcite Veins
Extrusive mafic igneous rock with hydrothermal mineralization
igneous
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite
Igneous
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Granite
Phaneritic Plutonic Felsic Rock
igneous
Raw Calcite
Calcium Carbonate (CaCO3)
mineral
Granite
Felsic intrusive igneous rock
igneous
Light-colored granite or granitic gneiss
Granite; typically quartz + feldspar + mica (variable composition)
igneous
Rhyolite
Extrusive igneous rock (felsic)
igneous
Basalt
Mafic Igneous Rock
igneous
Fluorite Carving
Fluorite (Calcium Fluoride, CaF2)
mineral
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
White Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix
Iron Disulfide (FeS2)
mineral
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
mineral
Basalt with Quartz Vein
Basalt with silicon dioxide (SiO2) inclusion
igneous
Basalt (or similar Mafic Igneous Rock)
Basalt
igneous
Quartz fragment (Pebble)
Silicon Dioxide (SiO2)
mineral
Granite (River Pebble)
Phaneritic intrusive igneous rock (Felsic)
igneous
Granite
Felsic intrusive igneous rock
igneous