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

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

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

Garnet (Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)) — gemstone

Garnet

Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)

Lapis Lazuli ((Na,Ca)8(Al,Si)12O24(S,SO4)(Cl)2) — mineral

Lapis Lazuli

(Na,Ca)8(Al,Si)12O24(S,SO4)(Cl)2

Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — gemstone

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Ruby (varieties of Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Garnet Schist (Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)) — metamorphic

Garnet Schist

Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)

Greenschist (or Serpentinite with Manganese Dendrites) (Greenschist facies metamorphic rock) — metamorphic

Greenschist (or Serpentinite with Manganese Dendrites)

Greenschist facies metamorphic rock

Gneiss (Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)) — metamorphic

Gneiss

Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)

Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Raw Emerald (Emerald Beryl) (Beryl (Be3Al2Si6O18) with chromium/vanadium impurities) — mineral

Raw Emerald (Emerald Beryl)

Beryl (Be3Al2Si6O18) with chromium/vanadium impurities

Almandine Garnet (Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Fe3Al2(SiO4)3

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Citrine Quartz Cluster (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz Cluster

Silicon Dioxide (SiO2)

Likely weathered fossil shell or fossiliferous limestone (Indeterminate molluscan fossil, possibly a bivalve or brachiopod preserved in carbonate rock) — fossil

Likely weathered fossil shell or fossiliferous limestone

Indeterminate molluscan fossil, possibly a bivalve or brachiopod preserved in carbonate rock

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Sphalerite (Zinc Sulfide (ZnS)) — mineral

Sphalerite

Zinc Sulfide (ZnS)

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color) (Calcite) — Mineral

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Garnet in Schist (Mica Schist with Garnet Inclusion) (Garnetiferous Mica Schist (X3Al2(SiO4)3)) — metamorphic

Garnet in Schist (Mica Schist with Garnet Inclusion)

Garnetiferous Mica Schist (X3Al2(SiO4)3)

Biotite Schist (likely) (Biotite Schist (rock), Biotite (mineral)) — Metamorphic

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Mica Schist (Mica Schist (Quartz-Mica Metamorphic Rock)) — metamorphic

Mica Schist

Mica Schist (Quartz-Mica Metamorphic Rock)

Rock Crystal Quartz (Quartz (SiO₂)) — Mineral

Rock Crystal Quartz

Quartz (SiO₂)

Quartz (likely Milky Quartz) (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz (likely Milky Quartz)

Quartz (SiO₂ - Silicon Dioxide)

Almandine Garnet (Almandine (Fe3Al2Si3O12)) — mineral

Almandine Garnet

Almandine (Fe3Al2Si3O12)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

White Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — mineral

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Emerald in Matrix (Quartz/Schist) (Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities) — mineral

Emerald in Matrix (Quartz/Schist)

Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities

Labradorite (tumbled) (Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)) — Mineral

Labradorite (tumbled)

Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)

River Pebbles (Stream-rounded rocks) (Fluvial Detritus (varied mineralogy)) — Mixed (predominantly sedimentary and igneous)

River Pebbles (Stream-rounded rocks)

Fluvial Detritus (varied mineralogy)

Mixed (predominantly sedimentary and igneous)

Quartzite (Quartzite (primarily SiO₂)) — metamorphic

Quartzite

Quartzite (primarily SiO₂)

Labradorite (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Labradorite

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Milky Quartz with Iron Staining (Quartz (SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (SiO2)

Prehnite with Epidote and Quartz (Prehnite (Ca2Al(AlSi3O10)(OH)2)) — mineral

Prehnite with Epidote and Quartz

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Prehnite (Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Calcium aluminum silicate hydroxide, Ca2Al(AlSi3O10)(OH)2

Labradorite (Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)) — mineral

Labradorite

Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8)

Sodalite (Sodalite: Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite: Na8(Al6Si6O24)Cl2

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2