Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Mineral In Igneous Rock
Browse mineral in igneous rock specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite Sand (Black Sand)
Magnetite (Fe3O4)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Granite Pebble
Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica/amphibole)
igneous
Basalt with Quartz Veins
Basalt (SiO2 range 45-52%)
igneous
Granite
Granite (Felsic intrusive igneous rock)
igneous
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Chalcedony (Agate/Carnelian precursor)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Pink Granite
Phaneritic intrusive igneous rock (K-feldspar rich)
igneous
Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)
Porphyritic Basalt (Mafic volcanic rock)
igneous
Basalt with Quartz Veins
Basalt (complex silicate) with Quartz (SiO2) intrusions
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Granite
Granite (Felsic Intrusive Igneous Rock)
igneous
Red Scoria
Scoria (Vesicular Basalt/Andesite)
igneous
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Granite (felsic intrusive igneous rock)
igneous
Granite
Granite (composed mainly of Quartz, Feldspar, and Mica)
igneous
Diorite (Polished Cobble)
Diorite (Intermediate intrusive igneous rock)
Igneous
Vesicular Basalt
Extrusive mafic igneous rock; primarily (Ca,Na)(Mg,Fe,Al,Si)2O6 (Pyroxene) and (Ca,Na)Al(Al,Si)Si2O8 (Plagioclase Feldspar)
igneous
Moss Agate
Silicon Dioxide (SiO2) with inclusions
mineral
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)
igneous
Granite
Granite (phaneritic intrusive igneous rock)
igneous
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
igneous
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss (Cobble)
Gneiss
metamorphic
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Coarse-grained Granite
Phaneritic Granite (contains Quartz, Feldspar, and Mica)
igneous
Basalt with Amygdaloidal Inclusions
Aphanitic Mafic Volcanic Rock (Basalt)
igneous
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Calcite
Calcium Carbonate (CaCO3)
mineral
Garnet (almandine or pyrope variety)
Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Coarse-grained Quartz with Feldspar inclusions
Crystalline Quartz (SiO2) with Orthoclase/Plagioclase Feldspar inclusions
igneous
Flower Agate
Chalcedony (Silicon Dioxide, SiO2) with Opaque Spherulitic Inclusions
mineral