Igneous, Sedimentary, And Metamorphic Mix

Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

metamorphic

Banded Gneiss

Gneiss

metamorphic

Gneiss (Banded Gneiss)

Gneiss

metamorphic

Garnet Gneiss

Gneiss containing almandine-pyrope garnet

metamorphic

Granitic Gneiss

Gneiss (Metamorphic rock of granitic composition)

metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

metamorphic

Gneiss

Gneiss (High-grade regional metamorphic rock)

metamorphic

Gneiss (with Quartz and Biotite Mica)

Gneiss

metamorphic

Gneiss

metamorphic

Gneiss

Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)

metamorphic

Gneiss (Banded Gneiss)

Gneiss

metamorphic

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Gneiss

Metamorphic rock of high-grade regional metamorphism

metamorphic

Granitoid Gneiss with Feldspar Vein

Gneiss (High-grade Metamorphic Rock) with Potassium Feldspar (KAlSi3O8)

metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

metamorphic

Epidote with Magnetite/Hematite inclusions

Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides

mineral

Amethyst and Citrine (Ametrine Mix)

Silicon Dioxide (SiO2) with Fe3+ impurities

mineral

Pyrite

Pyrite (FeS₂)

Mineral

Magnetite

Magnetite (Fe3O4)

mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral

Pyrite

Iron Disulfide (FeS2)

mineral

Schist

Mica Schist

metamorphic

Quartz (likely) / Siliceous rock with quartz phenocrysts (if a rock fragment)

Quartz (SiO₂)

Mineral

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Quartz chunk

Silicon dioxide (SiO2)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral

Hematite

Hematite (Iron(III) oxide, Fe2O3)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Unidentifiable Specimen

Undetermined

Unknown

Quartz (Milky or Smoky Quartz)

Silicon Dioxide (SiO2)

mineral

Quartz (Milky/Bull Quartz)

Silicon Dioxide (SiO2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Quartz (Milky/Clear)

Silicon Dioxide (SiO2)

mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Quartz / Rock Crystal

Silicon Dioxide (SiO2)

mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral