Rock Identifier

Category

Metamorphic And Sedimentary

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

Learn about Metamorphic And Sedimentary in the encyclopedia

Goldmanite

Goldmanite

Conglomerate

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Breccia

Breccia

Ironstone

Ironstone

Metabasalt

Metabasalt

Eulysite

Eulysite

Metaquartzite

Metaquartzite

Slate

Slate

Anthracite

Anthracite

Marble

Marble

Hornfels

Hornfels

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Quartzite Pebble (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite Pebble

SiO2 (Silicon Dioxide)

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

Rhodonite

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

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

Ruby

Corundum (Al2O3 with Chromium traces)

Moonstone (Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (containing Albite lamellae), (KAlSi3O8)

Ruby (Corundum) (Corundum (Aluminum Oxide) with chromium trace elements, Al2O3) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide) with chromium trace elements, Al2O3

Ruby in Marble (Corundum (Al2O3) in Calcite (CaCO3) matrix) — metamorphic

Ruby in Marble

Corundum (Al2O3) in Calcite (CaCO3) matrix

Sandstone (Quartz-rich) (Arenite (SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (SiO2)

Quartzite (Quartzite (primarily composed of SiO

O₂)) — Sedimentary Rock

Quartzite

Quartzite (primarily composed of SiO O₂)

Sedimentary Rock

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

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

Eclogite

Eclogite (Pyrope-Omphacite rock)

Greenstone (metamorphosed basalt) (Greenschist / Meta-basalt) — metamorphic

Greenstone (metamorphosed basalt)

Greenschist / Meta-basalt

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Marble (Recrystallized Carbonate Rock (CaCO3)) — metamorphic

Marble

Recrystallized Carbonate Rock (CaCO3)

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

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Greenschist (Greenschist (chlorite-epidote schist)) — metamorphic

Greenschist

Greenschist (chlorite-epidote schist)

Pebble (likely Sandstone or Granitic Pebble) (Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)) — Rock (likely Sedimentary)

Pebble (likely Sandstone or Granitic Pebble)

Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)

Rock (likely Sedimentary)

Yellow Chalcedony (Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)) — Mineral

Yellow Chalcedony

Chalcedony (a cryptocrystalline variety of Quartz, SiO₂)

Smoky Quartz (SiO2 (Silicon Dioxide)) — Mineral

Smoky Quartz

SiO2 (Silicon Dioxide)

Calcite (Calcite (CaCO
3)) — Mineral

Calcite

Calcite (CaCO 3)

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

Rhodonite

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

Epidote (Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))) — metamorphic

Epidote

Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))

Lapis Lazuli (Lapis Lazuli (Complex metamorphic rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex metamorphic rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Red aventurine (Silicon Dioxide (SiO2) with Hematite or Goethite inclusions) — metamorphic

Red aventurine

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions

Ruby in Fuchsite (Cr-rich Muscovite (Fuchsite) with Corundum (Ruby)) — metamorphic

Ruby in Fuchsite

Cr-rich Muscovite (Fuchsite) with Corundum (Ruby)

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

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

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

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

Nephrite Jade

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

Rhodonite Tumbled Chips (Manganese silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite Tumbled Chips

Manganese silicate (Mn,Fe,Mg,Ca)SiO3

Potassium Feldspar (K-Feldspar (KAlSi3O8)) — mineral

Potassium Feldspar

K-Feldspar (KAlSi3O8)

Blue Aventurine (Quartzite with Dumortierite inclusions (SiO2)) — metamorphic

Blue Aventurine

Quartzite with Dumortierite inclusions (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Sandstone (with man-made markings) (Arenite (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone (with man-made markings)

Arenite (composed primarily of Quartz, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Greenstone (Epidote/Chlorite Rich Rock) (Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))) — metamorphic

Greenstone (Epidote/Chlorite Rich Rock)

Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Marble (White) (Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)) — metamorphic

Marble (White)

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

Greenschist (Greenschist facies rock (containing chlorite, actinolite, and epidote)) — metamorphic

Greenschist

Greenschist facies rock (containing chlorite, actinolite, and epidote)

Garnet (Garnet group species (likely Almandine, Fe3Al2(SiO4)3)) — mineral

Garnet

Garnet group species (likely Almandine, Fe3Al2(SiO4)3)

Epidote with Feldspar/Quartz (Unakite-like) (Epidotized Granite (Ca2(Al,Fe)3(SiO4)3(OH) + KAlSi3O8)) — metamorphic

Epidote with Feldspar/Quartz (Unakite-like)

Epidotized Granite (Ca2(Al,Fe)3(SiO4)3(OH) + KAlSi3O8)

Quartzite River Rock (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Rock

Quartzite (primarily SiO2)

Seraphinite (Clinochlore (a variety of the chlorite group)) — mineral

Seraphinite

Clinochlore (a variety of the chlorite group)