Rock Identifier

Category

Mineral, Often Found As A Rock (Metamorphic)

Browse mineral, often found as a rock (metamorphic) specimens identified by the Rock Identifier community.

Learn about Mineral, Often Found As A Rock (Metamorphic) in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Eulysite

Hornfels

Metabasalt

Cordierite Hornfels

Cordierite Hornfels

Halite

Metagabbro

Metarhyolite

Dolomite

Gypsum

Quartzite (Quartzite (composed primarily of Quartz, SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Chert Fossil (Pebble) (Microcrystalline Quartz (SiO2) with biogenic inclusions) — sedimentary

Chert Fossil (Pebble)

Microcrystalline Quartz (SiO2) with biogenic inclusions

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite in Shale (Iron Sulfide (FeS2)) — mineral

Pyrite in Shale

Iron Sulfide (FeS2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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

Black Jasper

Silicon dioxide (SiO2) with carbonaceous impurities

Chert / Flint (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartz on Schist (Silicon Dioxide (SiO2) on Foliated Metamorphic Rock) — metamorphic

Quartz on Schist

Silicon Dioxide (SiO2) on Foliated Metamorphic Rock

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

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

Chert (Nodule) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Silica (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Yellow Jasper (Cryptocrystalline Quartz (SiO2 with Iron inclusions)) — sedimentary

Yellow Jasper

Cryptocrystalline Quartz (SiO2 with Iron inclusions)

Yellow Quartzite (Yellow Jasper) (Silicon Dioxide (SiO2)) — metamorphic

Yellow Quartzite (Yellow Jasper)

Silicon Dioxide (SiO2)

Banded Serpentine (Serpentine group (subgroup Lizardite or Antigorite) - Mg3Si2O5(OH)4) — metamorphic

Banded Serpentine

Serpentine group (subgroup Lizardite or Antigorite) - Mg3Si2O5(OH)4

Lazulite Quartzite (Quartzite with Lazulite (SiO2 with (Mg,Fe)Al2(PO4)2(OH)2)) — metamorphic

Lazulite Quartzite

Quartzite with Lazulite (SiO2 with (Mg,Fe)Al2(PO4)2(OH)2)

Ocean Jasper (Orbicular Jasper (Silicon Dioxide, SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite with Epidote/Chlorite Inclusion (Metamorphic Quartzite (SiO2 with accessory silicate minerals)) — metamorphic

Quartzite with Epidote/Chlorite Inclusion

Metamorphic Quartzite (SiO2 with accessory silicate minerals)

Epidote or Unakite Rock (Epidote-bearing rock / Ca2(Al,Fe)3(SiO4)3(OH)) — metamorphic

Epidote or Unakite Rock

Epidote-bearing rock / Ca2(Al,Fe)3(SiO4)3(OH)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Venetian Gold Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Venetian Gold Granite

Phaneritic Felsic Igneous Rock (Granite)

Limonite (Hydrous Iron Oxide (often Goethite FeO(OH), Lepidocrocite γ-FeO(OH), and other amorphous iron oxyhydroxides)) — Mineral

Limonite

Hydrous Iron Oxide (often Goethite FeO(OH), Lepidocrocite γ-FeO(OH), and other amorphous iron oxyhydroxides)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Eclogite (Eclogite (Omphacite-Garnet rock)) — metamorphic

Eclogite

Eclogite (Omphacite-Garnet rock)

Epidotite (Unakite-related) (Epidote-rich rock) — metamorphic

Epidotite (Unakite-related)

Epidote-rich rock

Quartzite (Iron-stained) (Quartzite (SiO2 with Fe2O3 staining)) — metamorphic

Quartzite (Iron-stained)

Quartzite (SiO2 with Fe2O3 staining)

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

Emerald with Matrix (Emerald in Mica Schist)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Chert (Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Grey Agate (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Grey Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartzite with Mica Matrix (Metamorphic Quartz-Mica Schist/Quartzite) — metamorphic

Quartzite with Mica Matrix

Metamorphic Quartz-Mica Schist/Quartzite

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Chert (Nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Rough Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

Chert (Jasper/Flint variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)