Diorite
Diorite (an intrusive igneous rock)
igneous
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
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Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Diorite
Phaneritic Intermediate Plutonic Rock (Diorite)
igneous
Quartz (Variety of Rough Mineral Specimens)
Silicon Dioxide (SiO2)
mineral
Diorite (River Pebble)
Phaneritic Intermediate Igneous Rock (Diorite)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Amazonite
Tectosilicate (variety of Microcline), K(AlSi3O8)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Potassium Feldspar
K-Feldspar (KAlSi3O8)
mineral
Smoky Quartz occurring with Feldspar
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)
mineral
Quartz (specifically Milky or Rose Quartz variant)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz Cluster
Quartz (Silicon Dioxide) - SiO2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Diorite (River Cobble)
Intermediate plutonic igneous rock
igneous
Crystalline Quartz (Rough)
Quartz (Silicon Dioxide, SiO2)
mineral
Rhyolite
Rhyolite (Extrusive Igneous Rock)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Diorite
Phaneritic intermediate plutonic rock
igneous
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granodiorite (River Rock / Cobble)
Granodiorite; Phaneritic intrusive igneous rock dominated by plagioclase, quartz, and hornblende/biotite
igneous
Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Gabbro Pebble
Gabbro (intrusive mafic rock)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Volcanic Tuff (Breccia)
Pyroclastic Tuffaceous Rock
igneous
Gabbro
Gabbro
igneous
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Diorite (Salt and Pepper Rock)
Diorite
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Brown Antique Granite
Anorthosite (Technically a plutonic rock composed mainly of plagioclase feldspar)
igneous
Gabbro
Phaneritic Basic Igneous Rock (composed primarily of pyroxene and calcium-rich plagioclase)
igneous
Granite (Pink/Potassium Feldspar rich)
Granite (K-feldspar rich intrusive igneous rock)
igneous
Granite (River Cobble)
Granite (rich in feldspar, quartz, and biotite)
igneous
Gneiss (likely Granitic Gneiss)
Gneiss
metamorphic
Diorite (Salt and Pepper Rock)
Diorite
igneous
Diorite (Polished Tumble)
Diorite (Intermediate intrusive igneous rock)
Igneous