Rock Identifier

Category

Granite

Browse granite specimens identified by the Rock Identifier community.

Labradorite (Larvikite variety) (Ternary feldspar (Anorthoclase), (Na,K)AlSi3O8) — igneous

Labradorite (Larvikite variety)

Ternary feldspar (Anorthoclase), (Na,K)AlSi3O8

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Engineered Stone Countertop) (Silicon Dioxide (SiO2) with polymer resins) — Sedimentary-like (Industrial Composite)

Quartz (Engineered Stone Countertop)

Silicon Dioxide (SiO2) with polymer resins

Sedimentary-like (Industrial Composite)

Granite (Background) and Quartzite/River Pebble (Foreground Heart) (Phaneritic Felsic Igneous Rock (Granite background)) — igneous

Granite (Background) and Quartzite/River Pebble (Foreground Heart)

Phaneritic Felsic Igneous Rock (Granite background)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Citrine or Smoky variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Smoky variant)

Silicon Dioxide (SiO2)

Quartz (Rose/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Rose/Milky variety)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Granitic Quartz (with Feldspar inclusions) (Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)) — igneous

Granitic Quartz (with Feldspar inclusions)

Quartz (SiO2) with Potassium Feldspar (KAlSi3O8)

Diorite (Diorite (Intermediate Plutonic Rock)) — igneous

Diorite

Diorite (Intermediate Plutonic Rock)

Labradorite (Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8) — mineral

Labradorite

Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8

Diorite (Salt and Pepper Rock) (Phaneritic Plutonic Diorite (Plagioclase Feldspar + Amphibole/Biotite)) — igneous

Diorite (Salt and Pepper Rock)

Phaneritic Plutonic Diorite (Plagioclase Feldspar + Amphibole/Biotite)

Unakite (Unakite Epidosite (Granite with epidote and orthoclase)) — metamorphic

Unakite

Unakite Epidosite (Granite with epidote and orthoclase)

Feldspar (Orthoclase/Potassium Feldspar) (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Feldspar (Orthoclase/Potassium Feldspar)

KAlSi3O8 (Potassium Aluminum Silicate)

Granodiorite (Granodiorite (phaneritic intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (phaneritic intrusive igneous rock)

Diorite (River Rock) (Intermediate plutonic igneous rock) — igneous

Diorite (River Rock)

Intermediate plutonic igneous rock

Granitic Gneiss (Gneiss (containing Potassium Feldspar and Quartz)) — metamorphic

Granitic Gneiss

Gneiss (containing Potassium Feldspar and Quartz)

Granite Glacial Erratic (Intrusive Phaneritic Felsic Rock (Granite)) — igneous

Granite Glacial Erratic

Intrusive Phaneritic Felsic Rock (Granite)

Granitic Gneiss (Gneiss (High-grade regional metamorphic rock)) — metamorphic

Granitic Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss (specifically a Granitic Gneiss specimen) (Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)) — metamorphic

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Granite featuring Quartz Vein (Granite with hydrothermal silica (SiO2) intrusion) — igneous

Granite featuring Quartz Vein

Granite with hydrothermal silica (SiO2) intrusion

Fluorite (Green) (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite (Green)

Fluorite (Calcium Fluoride, CaF2)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Bauxite (Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)) — sedimentary

Bauxite

Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)

Quartz (Smoky/Grey Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Grey Variety)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Amazonite (Potassium Feldspar (KAlSi3O8)) — mineral

Amazonite

Potassium Feldspar (KAlSi3O8)

Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

Garnet (Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3) — mineral

Garnet

Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3

Magnetite / Iron Ore (Magnetite (Fe3O4)) — mineral

Magnetite / Iron Ore

Magnetite (Fe3O4)

Unakite or Epidosite (Epidosite (Mineral composition: Epidote, Feldspar, and Quartz)) — metamorphic

Unakite or Epidosite

Epidosite (Mineral composition: Epidote, Feldspar, and Quartz)

Quartz (possibly Citrine or Smoky Quartz variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (possibly Citrine or Smoky Quartz variety)

Silicon Dioxide (SiO2)

Beryl (likely Aquamarine) in matrix (Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)) — mineral

Beryl (likely Aquamarine) in matrix

Be3Al2(SiO3)6 (Beryllium Aluminum Silicate)

Diorite (Diorite) — igneous

Diorite

Diorite

Granite (Pink/Potassium Feldspar Granite) (Felsic Plutonic Rock (Potassium Feldspar, Quartz, Mica, and Amphibole)) — igneous

Granite (Pink/Potassium Feldspar Granite)

Felsic Plutonic Rock (Potassium Feldspar, Quartz, Mica, and Amphibole)

Granodiorite (Granodiorite (Intermediate intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Granitoid (Granite/Gneiss) (Granitoid silicate rock, primarily quartz and feldspar) — igneous/metamorphic

Granitoid (Granite/Gneiss)

Granitoid silicate rock, primarily quartz and feldspar

igneous/metamorphic

Yellow Quartzite (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite

Quartzite (primarily SiO2)

Granite (Pink/Red) (Phaneritic Igneous Rock (Rich in K-Feldspar)) — igneous

Granite (Pink/Red)

Phaneritic Igneous Rock (Rich in K-Feldspar)