Pink Granite
Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)
igneous
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
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Graphic Granite
Graphic Granite (a runic intergrowth of Quartz and Feldspar)
igneous
Granite Pebble
Granitoid (Felsic Plutonic Rock)
igneous
Granite (Weathered)
Course-grained Intrusive Igneous Rock
igneous
Granite Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Granite Pebble
Granite; primarily composed of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica
igneous
Granodiorite / Granite
Granodiorite (containing Quartz SiO2, Plagioclase Feldspar, and Biotite)
igneous
Granite Pebble
Phaneritic plutonic rock (dominated by Quartz, Feldspar, and Mica)
igneous
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Metamorphic
Orbicular Granite
Orbicular Granitoid
igneous
Pegmatitic Granite
Granite with Orthoclase Feldspar and Quartz (SiO2, KAlSi3O8)
igneous
Granite Pegmatite
Coarse-grained Granite (SiO2 - Aluminum and Alkalies)
igneous
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Gabbro
Gabbro (mafic intrusive igneous rock)
igneous
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Diabase (also known as Dolerite)
Diabase
igneous
Diorite (Polished River Pebble)
Diorite (Intermediate intrusive igneous rock)
igneous
Gabbro
Phaneritic Mafic Igneous Rock
igneous
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Granite Thin Section
Granitic rock (Phaneritic texture)
igneous
Schist
Schist
Metamorphic
Granitic Gravel Piece
Granite (Felsic Plutonic Rock / SiO2 with Al2O3, K2O, Na2O)
igneous
Granite Pebble (Salt and Pepper Granite)
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Biotite/Amphibole)
igneous
Pink Granite (Alkali Feldspar Granite)
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
River Pebbles (Mixed Suite)
Mixed lithologies: Quartzite and Gneiss
metamorphic
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss (Metamorphic rock composed primarily of quartz, feldspar, and mica)
metamorphic
Rhyolite
Rhyolite
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral