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

Banded gneiss pebble (Foliated gneiss, typically quartz–feldspar–mica bearing) — metamorphic

Banded gneiss pebble

Foliated gneiss, typically quartz–feldspar–mica bearing

Schist with Quartz Vein (Mica Schist with SiO2 vein) — metamorphic

Schist with Quartz Vein

Mica Schist with SiO2 vein

Quartzite with Iron Inclusions (Metamorphosed Quartz Arenite (SiO2)) — metamorphic

Quartzite with Iron Inclusions

Metamorphosed Quartz Arenite (SiO2)

Pink Marble (Quartzite or Calcite mix) (Metamorphosed Limestone / Quartzite (CaCO3 or SiO2 with iron impurities)) — metamorphic

Pink Marble (Quartzite or Calcite mix)

Metamorphosed Limestone / Quartzite (CaCO3 or SiO2 with iron impurities)

Banded Gneiss (with Quartz Vein) (Gneiss (SiO2 and varied Silicates)) — metamorphic

Banded Gneiss (with Quartz Vein)

Gneiss (SiO2 and varied Silicates)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (specifically Granitic Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Granitic Gneiss)

Gneiss

Green Aventurine (Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Silicon Dioxide (Quartz) with inclusions of Fuchsite mica (K(Al,Cr)2(AlSi3O10)(OH)2)

Granite Gneiss River Rock (Gneiss) — Metamorphic

Granite Gneiss River Rock

Gneiss

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

Granitic Gneiss (Felsic Polycrystalline Gneiss) — metamorphic

Granitic Gneiss

Felsic Polycrystalline Gneiss

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Pyrite (iron pyrite) (Iron sulfide, FeS₂; commonly called fool’s gold) — mineral

Pyrite (iron pyrite)

Iron sulfide, FeS₂; commonly called fool’s gold

Tumbled milky quartz (likely quartz pebble) (Quartz, silicon dioxide (SiO₂)) — mineral

Tumbled milky quartz (likely quartz pebble)

Quartz, silicon dioxide (SiO₂)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Hematite (Iron Ore Boulder) (Hematite (Fe2O3)) — mineral

Hematite (Iron Ore Boulder)

Hematite (Fe2O3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

White quartz pebble (Quartz (silicon dioxide, SiO₂)) — mineral

White quartz pebble

Quartz (silicon dioxide, SiO₂)

Tiger's Eye (Quartz pseudomorph after crocidolite (SiO2)) — gemstone

Tiger's Eye

Quartz pseudomorph after crocidolite (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained or Chalcedony varieties) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained or Chalcedony varieties)

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (specifically Milky/White Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky/White Quartz)

Silicon Dioxide (SiO2)

Green Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Green Calcite

Calcite (Calcium Carbonate, CaCO3)

Feldspar (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8) — mineral

Feldspar

KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8

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

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Quartz (Milky/Rose variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Rose variety)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Milky/Smoky Crystal fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Smoky Crystal fragment)

Silicon Dioxide (SiO2)

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

Orange Calcite

Calcite (Calcium Carbonate - CaCO3)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Crystalline Silicon Dioxide (SiO2)