Rock Identifier

Category

Mixed (Sedimentary, Igneous, And Metamorphic)

Browse mixed (sedimentary, igneous, and metamorphic) specimens identified by the Rock Identifier community.

Learn about Mixed (Sedimentary, Igneous, And Metamorphic) in the encyclopedia

Migmatite

Carbonatite

Conglomerate

Cordierite Hornfels

Cordierite Hornfels

Quartzite Sandstone

Quartzite Sandstone

Metabasalt

Eulysite

Breccia

Ironstone

Anthracite

Turbidite

Metaquartzite

Bronzite (Enstatite (magnesium iron silicate), (Mg,Fe2+)SiO3) — mineral

Bronzite

Enstatite (magnesium iron silicate), (Mg,Fe2+)SiO3

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss (Metamorphic Pebble) (Gneissic Metamorphic Rock) — metamorphic

Gneiss (Metamorphic Pebble)

Gneissic Metamorphic Rock

Amethyst Beads (Quartz (Silicon Dioxide, SiO2 with iron impurities)) — gemstone

Amethyst Beads

Quartz (Silicon Dioxide, SiO2 with iron impurities)

Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Yellow Quartz (Citrine appearance) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine appearance)

Silicon Dioxide (SiO2)

Yellow Quartz (or Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (or Citrine Quartz)

Silicon Dioxide (SiO2)

Mixed Gemstone and Mineral Collection (Silicon Dioxide (SiO2) based minerals and others) — mineral

Mixed Gemstone and Mineral Collection

Silicon Dioxide (SiO2) based minerals and others

Smoky Quartz (Silicon Dioxide (SiO2)) — gemstone

Smoky Quartz

Silicon Dioxide (SiO2)

Pink quartz crystal, possibly rose quartz (Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz) — mineral

Pink quartz crystal, possibly rose quartz

Quartz (silicon dioxide, SiO₂), likely pink quartz/rose quartz

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Smoky Quartz (Smoky Quartz (Silicon Dioxide - SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Muscovite Mica (Granitic Pegmatite) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica (Granitic Pegmatite)

Muscovite - KAl2(AlSi3O10)(OH)2

Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (Metamorphic Rock)

Gneiss (with Mica and Quartz) (Gneissic Metamorphic Rock) — metamorphic

Gneiss (with Mica and Quartz)

Gneissic Metamorphic Rock

Biotite Schist (Metamorphic Rock (Schist)) — metamorphic

Biotite Schist

Metamorphic Rock (Schist)

Banded Gneiss Pebble (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss Pebble

Gneiss (Metamorphic Rock)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Granitic Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Granitic Gneiss

Gneiss (Metamorphic Rock)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Small rounded pebble, likely quartz-rich river stone (Indeterminate; likely quartz/chert-bearing lithic clast) — sedimentary

Small rounded pebble, likely quartz-rich river stone

Indeterminate; likely quartz/chert-bearing lithic clast

Magnetite (Magnetite (Fe3O4)) — Mineral

Magnetite

Magnetite (Fe3O4)

Milky Quartz (with trace inclusions) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with trace inclusions)

Silicon Dioxide (SiO2)

Quartz (Milky/Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Gneiss (Granitic Gneiss) — metamorphic

Gneiss

Granitic Gneiss

Granitic Gneiss (Gneiss (quartz-feldspar-mica complex)) — metamorphic

Granitic Gneiss

Gneiss (quartz-feldspar-mica complex)

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

Granite Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss with Quartz Vein (Gneiss containing Quartz (SiO2) filler) — metamorphic

Gneiss with Quartz Vein

Gneiss containing Quartz (SiO2) filler

Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

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

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Pink quartz (likely rose quartz) (Quartz, silicon dioxide (SiO₂), typically massive rose quartz colored by trace elements and microscopic inclusions) — mineral

Pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), typically massive rose quartz colored by trace elements and microscopic inclusions

Banded gneiss (likely amphibolite-bearing gneiss) (Gneiss; quartz–feldspar–mica/amphibole aggregate) — metamorphic

Banded gneiss (likely amphibolite-bearing gneiss)

Gneiss; quartz–feldspar–mica/amphibole aggregate

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)