Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
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Granitic Gneiss
Gneiss (containing Potassium Feldspar and Quartz)
metamorphic
Granite River Rock
Phaneritic Felsic Igneous Rock (Granite)
igneous
Granite River Rock
Phaneritic Felsic Igneous Rock (Granite)
igneous
Quartz (Clear or Smoky)
Silicon Dioxide (SiO2)
mineral
Quartz fragment
Silicon Dioxide (SiO2)
mineral
Quartz (Citrine or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Quartz (Rose/Milky variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Glacial Granite with Epidote
Granite featuring Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Crystal Fragment)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Granitic Quartz (with Feldspar inclusions)
Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)
igneous
Biotite (Black Mica) in Host Rock
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Granite River Pebble
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Granite featuring Quartz Vein
Granite with hydrothermal silica (SiO2) intrusion
igneous
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Pink Granite Porphyry Cobble
Porphyritic K-Feldspar Granite
igneous
Diorite (River Rock)
Intermediate plutonic igneous rock
igneous
Coquina
Biogenic Limestone (Calcitic shells)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Larvikite variety)
Ternary feldspar (Anorthoclase), (Na,K)AlSi3O8
igneous
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
igneous
Diabase (Dolerite)
Diabase
igneous
Yellow Quartzite
Quartzite (primarily SiO2)
metamorphic
Obsidian
Obsidian (Volcanic Glass)
igneous
Rhyolite
Rhyolite (High-silica volcanic rock)
igneous
Granodiorite
Phaneritic Plutonic Rock (Intermediate)
igneous
Granite Glacial Erratic
Intrusive Phaneritic Felsic Rock (Granite)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (K(AlSi3O8))
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral