Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Category
Browse granite specimens identified by the Rock Identifier community.
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
SiO2 (Silicon Dioxide)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Granodiorite
Granodiorite (Intermediate plutonic rock)
Rhyolite
Rhyolite (felsic volcanic rock)
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Porphyritic Rhyolite
Porphyritic Rhyolite
Granodiorite
Granodiorite
Porphyritic Rhyolite
Rhyolite (Porphyry)
Porphyritic Rhyolite (Cookie Stone)
Porphyritic Rhyolite (SiO2, with phenocrysts)
Potassium Feldspar (Orthoclase)
KAlSi3O8
Orbicular Granite
Orbicular Granidiorite / Plutonic Igneous Rock
Diorite
Diorite (an intrusive igneous rock)
Granitic Gravel
Granite (Quartz, Feldspar, and Mica mixture)
Crushed Granite Gravel
Granite (Mainly Quartz, Feldspar, and Mica)
Gabbro
Gabbro (mafic intrusive igneous rock)
Granite Pebble
Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)
Red Granite
Phaneritic Felsic Igneous Rock
Granite Pebble
Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Mica)
Granite Cobble
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
Red Granite
Felsic Intrusive Igneous Rock
Granite Cobble
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)
Granite Gneiss
Gneiss (High-grade metamorphic rock)
Granite Cobble
Phaneritic Felsic Igneous Rock
Granite Pebble
Phaneritic plutonic rock (SiO2 primary)
Granite Cobble
Phaneritic Felsic Igneous Rock
Granite Cobble
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Granite Gneiss
High-grade regional metamorphic rock (Quartz-Feldspar Gneiss)
Graphic Granite
Pegmatitic Feldspar and Quartz (Graphic Granite)
Granite Cobble
Granite (Phaneritic Quartz-Feldspar Felsic Rock)
Granite Gneiss
Gneiss (Polymetamorphic Quartz-Feldspar-Mica rock)
Granite Gneiss
Gneiss (high-grade metamorphic rock)
Granite Cobble
Phaneritic Plutonic Felsic Rock
Graphic Granite
Pegmatitic Granite (Quartz and Microcline KAlSi3O8)
Granite Gneiss
Felsic Gneiss
Granite Pebble
Granite (composed primarily of Quartz, Feldspar, and Mica)
Red Granite
Phaneritic Felsic Igneous Rock (Quartz, Alkali Feldspar, Plagioclase)
Graphic Granite
Pegmatitic Feldspar with Quartz intergrowths
Granite Pegmatite
Phaneritic Felsic Igneous Rock (Granite)
Granite Pebble
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)