Rock Identifier

Category

Metamorphic Or Sedimentary Depending On Local Grade

Browse metamorphic or sedimentary depending on local grade specimens identified by the Rock Identifier community.

Learn about Metamorphic Or Sedimentary Depending On Local Grade in the encyclopedia

Greenschist

Greenschist

Granulite

Granulite

Slate

Slate

Turbidite

Turbidite

Gneiss

Gneiss

Schist

Schist

Chlorite Schist

Chlorite Schist

Amphibolite

Amphibolite

Garnet Schist

Garnet Schist

Migmatite

Migmatite

Biotite Schist

Biotite Schist

Khondalite

Khondalite

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

Muscovite

Muscovite (KAl2(AlSi3O10)(OH)2)

Potassium Feldspar (Orthoclase) (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

Ruby (Corundum) (Aluminium oxide (Al2O3) with Chromium traces) — mineral

Ruby (Corundum)

Aluminium oxide (Al2O3) with Chromium traces

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Serpentinite (Serpentinite (Hydrated Magnesium Silicate Mg3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (Hydrated Magnesium Silicate Mg3Si2O5(OH)4)

Sandstone (Sandstone (Clastic Sedimentary Rock)) — Sedimentary Rock

Sandstone

Sandstone (Clastic Sedimentary Rock)

Sedimentary Rock

Plume Agate or Moss Agate (Agate (SiO2)) — mineral

Plume Agate or Moss Agate

Agate (SiO2)

Orange Calcite Sphere (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite Sphere

Calcium Carbonate (CaCO3)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Serpentinite (Serpentinite ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4)

Blue Apatite (Calcium Fluorophosphate - Ca5(PO4)3F) — mineral

Blue Apatite

Calcium Fluorophosphate - Ca5(PO4)3F

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Quartz (Rutilated) (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Quartz (Rutilated)

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Crushed Stone / Gravel (Multiple Rock Types) (Lithic fragments (undifferentiated)) — Igneous, Sedimentary, and Metamorphic mix

Crushed Stone / Gravel (Multiple Rock Types)

Lithic fragments (undifferentiated)

Igneous, Sedimentary, and Metamorphic mix

Dearest Jewelry (Multigemstone) (Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)) — Mineral

Dearest Jewelry (Multigemstone)

Combination of Diamond (C), Emerald (Be3Al2Si6O18), Amethyst/Rock Crystal (SiO2), Ruby (Al2O3), Emerald (Be3Al2Si6O18), Sapphire (Al2O3), and Topaz (Al2SiO4(F,OH)2)

Agate (Agate (Cryptocrystalline Quartz, SiO2)) — Mineral

Agate

Agate (Cryptocrystalline Quartz, SiO2)

Yellow Jasper (Silicon Dioxide (SiO2) with iron hydroxides (Goethite or Limonite)) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite or Limonite)

Chert (with Quartz Vein) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Quartz Vein)

Microcrystalline Quartz (SiO2)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Jade (Nephrite or Jadeite) (Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 (amphibole mineral); Jadeite: NaAlSi2O6 (pyroxene mineral)) — Metamorphic Rock / Mineral

Jade (Nephrite or Jadeite)

Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 (amphibole mineral); Jadeite: NaAlSi2O6 (pyroxene mineral)

Metamorphic Rock / Mineral

Rhodonite (Rhodonite (MnSiO3)) — Mineral

Rhodonite

Rhodonite (MnSiO3)

Anthracite Coal (Anthracite (Carbon Content 86–97%)) — metamorphic

Anthracite Coal

Anthracite (Carbon Content 86–97%)

Anthracite Coal (Anthracite (Carbon-based metamorphic rock)) — metamorphic

Anthracite Coal

Anthracite (Carbon-based metamorphic rock)

Carnelian (Carnelian (Cryptocrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Howlite (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Chalcedony (Botryoidal/Agate nodule) (Microcrystalline Quartz (SiO2)) — mineral

Chalcedony (Botryoidal/Agate nodule)

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Chert (Common Opal/Jasper transition) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Jasper transition)

Silicon Dioxide (SiO2)

Greenstone (Epidote/Chlorite-rich Metabasalt) (Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Greenstone (Epidote/Chlorite-rich Metabasalt)

Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Marble (Metamorphic Limestone (CaCO3)) — metamorphic

Marble

Metamorphic Limestone (CaCO3)

Diamond (Diamond (Pure Carbon - C)) — mineral

Diamond

Diamond (Pure Carbon - C)

Anthracite Coal (Anthracite (Metamorphosed Coal)) — sedimentary

Anthracite Coal

Anthracite (Metamorphosed Coal)

Quartzite pebble (Crystalline silica (SiO2)) — metamorphic

Quartzite pebble

Crystalline silica (SiO2)

Anthracite Coal (Anthracite) — metamorphic

Anthracite Coal

Anthracite

Schist (Garnet-Mica Schist) (Garnet-Mica Schist) — metamorphic

Schist (Garnet-Mica Schist)

Garnet-Mica Schist

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Conglomerate (Conglomerate (Sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (Sedimentary rock)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)