Rock Identifier

Category

Sedimentary And Metamorphic

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

Learn about Sedimentary And Metamorphic in the encyclopedia

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Metabasalt

Eulysite

Breccia

Ironstone

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Milky Quartz (Quartz (Silica / Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silica / Silicon Dioxide, SiO2)

Agate (Banded Chalcedony (SiO2)) — mineral

Agate

Banded Chalcedony (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Emerald (Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities) — mineral

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Schist (Schist (various mineralogical compositions including mica, chlorite, talc, etc.)) — Metamorphic

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Jasper with Epidote Vein (Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))) — sedimentary

Jasper with Epidote Vein

Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))

Rhodonite (Inosilicate (Manganese Iron Magnesium Calcium Silicate, (Mn,Fe,Mg,Ca)SiO3)) — mineral

Rhodonite

Inosilicate (Manganese Iron Magnesium Calcium Silicate, (Mn,Fe,Mg,Ca)SiO3)

Dumortierite Quartz (Dumortierite-bearing Quartz (Al7BO3(SiO4)3O3)) — metamorphic

Dumortierite Quartz

Dumortierite-bearing Quartz (Al7BO3(SiO4)3O3)

Quartz (Milky/Smoky variety on matrix) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Smoky variety on matrix)

Silicon Dioxide (SiO2)

Garnet Schist (Garnet-bearing Mica Schist) — metamorphic

Garnet Schist

Garnet-bearing Mica Schist

Blue Apatite (Apatite, Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

Pebble (Clast (specifically a granule or small pebble)) — Sedimentary

Pebble

Clast (specifically a granule or small pebble)

Kyanite (Kyanite (Al2SiO5)) — Mineral

Kyanite

Kyanite (Al2SiO5)

Banded gneiss (likely biotite-rich gneiss) (Gneiss; chiefly quartz, feldspar, biotite, and possibly hornblende) — metamorphic

Banded gneiss (likely biotite-rich gneiss)

Gneiss; chiefly quartz, feldspar, biotite, and possibly hornblende

Quartz with Mica / Chlorite Inclusion (Silicon Dioxide (SiO2) with Phyllosilicate minerals) — metamorphic

Quartz with Mica / Chlorite Inclusion

Silicon Dioxide (SiO2) with Phyllosilicate minerals

Rhodonite, Gray Moonstone, and White Feldspar Mix (Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)) — mineral

Rhodonite, Gray Moonstone, and White Feldspar Mix

Multiple: MnSiO3 (Rhodonite), (K,Na)AlSi3O8 (Feldspar/Moonstone)

Garnet-bearing metamorphic rock, possibly garnet amphibolite or mica schist (Almandine garnet (Fe₃Al₂Si₃O₁₂) in a mafic, amphibole–feldspar-rich matrix) — metamorphic

Garnet-bearing metamorphic rock, possibly garnet amphibolite or mica schist

Almandine garnet (Fe₃Al₂Si₃O₁₂) in a mafic, amphibole–feldspar-rich matrix

Greenschist (or Serpentinite) with Quartz-Feldspar Vein (Metabasalt / Greenschist Facies Rock) — metamorphic

Greenschist (or Serpentinite) with Quartz-Feldspar Vein

Metabasalt / Greenschist Facies Rock

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Granite or Granitic Gneiss (Granitoid / Gneiss) — Igneous / Metamorphic

Granite or Granitic Gneiss

Granitoid / Gneiss

Igneous / Metamorphic

Tourmaline (likely Schorl) (Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4) — Mineral

Tourmaline (likely Schorl)

Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4

Large calcite crystal cluster (Calcite (calcium carbonate, CaCO₃)) — mineral

Large calcite crystal cluster

Calcite (calcium carbonate, CaCO₃)

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

Quartz (Grain)

Silicon Dioxide (SiO2)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Milky Quartz (Silicon dioxide (SiO2)) — mineral

Milky Quartz

Silicon dioxide (SiO2)

Orange Calcite (Calcite (CaCO3)) — Mineral

Orange Calcite

Calcite (CaCO3)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

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

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Brecciated Jasper or Chert (SiO2) — Sedimentary/Metamorphic

Brecciated Jasper or Chert

SiO2

Sedimentary/Metamorphic

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — Mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Schist (N/A (a rock type, not a mineral formula)) — metamorphic

Schist

N/A (a rock type, not a mineral formula)

Rhodonite ((Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

(Mn,Fe,Mg,Ca)SiO3

Rhodonite (Manganese silicate (MnSiO3)) — mineral

Rhodonite

Manganese silicate (MnSiO3)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)