Rock Identifier

Category

Sedimentary Or Metamorphic Derived

Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Metamorphic Derived in the encyclopedia

Khondalite

Calc-schist

Goldmanite

Oregon Opal

Orendite

Orthoclase

Orca Agate

Orange Opal

Peacock Ore

Orange Garnet

Orange Obsidian

Orange Calcite

Red Jasper (Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities) — sedimentary

Red Jasper

Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities

Red Jasper (Silicon Dioxide (SiO2) with impure Iron oxides) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with impure Iron oxides

Red Jasper (Chert) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper (Chert)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Pink quartzite or pink quartz pebble (Quartzite; predominantly silicon dioxide (SiO₂), with iron-bearing impurities or feldspar causing the pink color) — metamorphic

Pink quartzite or pink quartz pebble

Quartzite; predominantly silicon dioxide (SiO₂), with iron-bearing impurities or feldspar causing the pink color

Red Jasper (Microcrystalline Quartz (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Microcrystalline Quartz (SiO2) with Hematite impurities

Yellow Jasper (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Red Jasper (Silicon Dioxide (SiO2) with Ferric Iron inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Ferric Iron inclusions

Jasper (Multi-color Chert) (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper (Multi-color Chert)

Silicon Dioxide (SiO2) with impurities

Red Jasper (possibly Chert/Argillite) (Jasper (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper (possibly Chert/Argillite)

Jasper (SiO2) with iron oxide inclusions

Kaolinite (Chalky Clay) (Kaolinite (Al2Si2O5(OH)4)) — sedimentary

Kaolinite (Chalky Clay)

Kaolinite (Al2Si2O5(OH)4)

Fragmented Sedimentary Pebble (Clastic Sedimentary Specimen) — sedimentary

Fragmented Sedimentary Pebble

Clastic Sedimentary Specimen

Botryoidal Quartz (Silicon Dioxide (SiO2)) — mineral

Botryoidal Quartz

Silicon Dioxide (SiO2)

Mixed rounded fieldstones, likely granite and gneiss (Granite (quartz–feldspar–mica) and gneiss; exact identification is uncertain from the photograph) — igneous and metamorphic

Mixed rounded fieldstones, likely granite and gneiss

Granite (quartz–feldspar–mica) and gneiss; exact identification is uncertain from the photograph

igneous and metamorphic

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Jasper

Jasper (Silicon Dioxide, SiO2)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

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

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Serpentinite (serpentinized ultramafic rock) (Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, brucite, and relict olivine/pyroxene) — metamorphic

Serpentinite (serpentinized ultramafic rock)

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, brucite, and relict olivine/pyroxene

Tumbled greenish stone, likely serpentinite or greenstone (Probable serpentine-rich ultramafic rock; exact identification requires testing) — metamorphic

Tumbled greenish stone, likely serpentinite or greenstone

Probable serpentine-rich ultramafic rock; exact identification requires testing

Weathered quartz-rich pebble, possibly granitic gneiss (Quartz–feldspar–mica aggregate; likely granitoid or gneiss) — metamorphic

Weathered quartz-rich pebble, possibly granitic gneiss

Quartz–feldspar–mica aggregate; likely granitoid or gneiss

Unakite (Altered Granite (Epidote, Pink Orthoclase Feldspar, and Quartz)) — metamorphic

Unakite

Altered Granite (Epidote, Pink Orthoclase Feldspar, and Quartz)

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

Aventurine (Green Quartz)

Silicon Dioxide (SiO2) with Fuchsite inclusions

Mica Schist (Muscovite/Biotite Schist) — metamorphic

Mica Schist

Muscovite/Biotite Schist

Red Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Hypersthene (Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6) — mineral

Hypersthene

Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6

Aquamarine (Beryl (Be3Al2Si6O18 with trace Fe2+)) — Mineral

Aquamarine

Beryl (Be3Al2Si6O18 with trace Fe2+)

Unakite (Altered Granite (Orthoclase Feldspar, Epidote, and Quartz)) — metamorphic

Unakite

Altered Granite (Orthoclase Feldspar, Epidote, and Quartz)

Unakite (Altered Granite (Epidotized Granite)) — metamorphic

Unakite

Altered Granite (Epidotized Granite)

Green Aventurine (Aventurine (Silicon dioxide, SiO₂)) — Mineral; variety of Quartz

Green Aventurine

Aventurine (Silicon dioxide, SiO₂)

Mineral; variety of Quartz

Shale or Argillite (Shale (fine-grained clastic sedimentary rock) or Argillite (low-grade metamorphic rock derived from shale)) — Sedimentary or Metamorphic (low grade)

Shale or Argillite

Shale (fine-grained clastic sedimentary rock) or Argillite (low-grade metamorphic rock derived from shale)

Sedimentary or Metamorphic (low grade)

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

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Chalcedony with Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Chalcedony with Druzy Quartz

Silicon Dioxide (SiO2)

Blue Celestite (Celestine (Strontium Sulfate, SrSO4)) — mineral

Blue Celestite

Celestine (Strontium Sulfate, SrSO4)

Mica Schist (Schist (Muscovite-Biotite Schist)) — metamorphic

Mica Schist

Schist (Muscovite-Biotite Schist)

Kaolinite (China Clay) (Kaolinite (Al2Si2O5(OH)4)) — sedimentary

Kaolinite (China Clay)

Kaolinite (Al2Si2O5(OH)4)

Kaolin (China Clay) (Kaolinite [Al2Si2O5(OH)4]) — sedimentary

Kaolin (China Clay)

Kaolinite [Al2Si2O5(OH)4]

Rounded iron-stained quartzite or sandstone pebble (Quartzite, predominantly SiO₂, with iron-oxide staining) — metamorphic

Rounded iron-stained quartzite or sandstone pebble

Quartzite, predominantly SiO₂, with iron-oxide staining

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)