Rock Identifier

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Igneous, Metamorphic, And Sedimentary (Mixed Assemblage)

Browse igneous, metamorphic, and sedimentary (mixed assemblage) specimens identified by the Rock Identifier community.

Learn about Igneous, Metamorphic, And Sedimentary (Mixed Assemblage) in the encyclopedia

Migmatite

Cordierite Hornfels

Cordierite Hornfels

Whiteschist

Turbidite

Hornblende Schist

Hornblende Schist

Calc-schist

Goldmanite

Carbonatite

Conglomerate

Eulysite

Anthracite

Ironstone

Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

Blue Apatite (Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Amethyst (Raw Quartz) (Silicon Dioxide (SiO2)) — mineral

Amethyst (Raw Quartz)

Silicon Dioxide (SiO2)

Gravel and Pavement Aggregates (Unconsolidated rock fragments / detrital sediments) — sedimentary

Gravel and Pavement Aggregates

Unconsolidated rock fragments / detrital sediments

Granite (Coarse-grained felsic plutonic rock, chiefly quartz, potassium feldspar, plagioclase, and biotite/hornblende) — igneous

Granite

Coarse-grained felsic plutonic rock, chiefly quartz, potassium feldspar, plagioclase, and biotite/hornblende

Granite (Granitic plutonic rock, chiefly quartz, alkali feldspar, plagioclase, and mica/amphibole) — igneous

Granite

Granitic plutonic rock, chiefly quartz, alkali feldspar, plagioclase, and mica/amphibole

Tumbled pink granite (Granite, primarily quartz, feldspar, and mica; likely pink alkali-feldspar granite) — igneous

Tumbled pink granite

Granite, primarily quartz, feldspar, and mica; likely pink alkali-feldspar granite

Granite Pebble (Granite (composed primarily of Quartz, Potassium Feldspar, Plagioclase, and Biotite/Amphibole)) — igneous

Granite Pebble

Granite (composed primarily of Quartz, Potassium Feldspar, Plagioclase, and Biotite/Amphibole)

Granite Pebble (Intrusive Igneous Rock (Quartz, Feldspar, Mica)) — igneous

Granite Pebble

Intrusive Igneous Rock (Quartz, Feldspar, Mica)

Pink Granite (Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)

Granodiorite (Weathered) (Granodiorite) — igneous

Granodiorite (Weathered)

Granodiorite

Granodiorite (containing Biotite and Quartz) (Granodiorite (Plagioclase-rich phaneritic intrusive rock)) — igneous

Granodiorite (containing Biotite and Quartz)

Granodiorite (Plagioclase-rich phaneritic intrusive rock)

Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

Mica (Muscovite or Biotite) (Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)) — mineral

Mica (Muscovite or Biotite)

Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)

Quartz (SiO2 (Silicon Dioxide)) — mineral

Quartz

SiO2 (Silicon Dioxide)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Red jasper chips (Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides) — metamorphic

Red jasper chips

Jasper, microcrystalline quartz (SiO₂) colored mainly by iron oxides

Amazonite with Smoky Quartz and Feldspar (Microcline (KAlSi3O8) with Quartz (SiO2)) — mineral

Amazonite with Smoky Quartz and Feldspar

Microcline (KAlSi3O8) with Quartz (SiO2)

Ruby in Fuchsite (Corundum (Al2O3) in Chrome-Mica (KAl2(AlSi3O10)(OH)2)) — metamorphic

Ruby in Fuchsite

Corundum (Al2O3) in Chrome-Mica (KAl2(AlSi3O10)(OH)2)

Quartz Crystal Cluster (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Jasp-Agate (Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions) — sedimentary

Jasp-Agate

Cryptocrystalline Quartz (SiO2) with Iron Oxide inclusions

Conglomerate (Sedimentary Conglomerate) — sedimentary

Conglomerate

Sedimentary Conglomerate

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Quartz (Pink/Rose Quartz or Quartz Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Pink/Rose Quartz or Quartz Crystal)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Milky/Crystalline fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Crystalline fragment)

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)

Apatite (Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Apatite

Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))

Quartz-rich granitic fragment (Granite or granitic pegmatite; chiefly quartz (SiO₂), feldspar, and minor mica) — igneous

Quartz-rich granitic fragment

Granite or granitic pegmatite; chiefly quartz (SiO₂), feldspar, and minor mica

Pink Granite (Intrusive Igneous Rock (high K-feldspar content)) — igneous

Pink Granite

Intrusive Igneous Rock (high K-feldspar content)

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

Kaolin (China Clay)

Kaolinite [Al2Si2O5(OH)4]

Conglomerate (Conglomerate) — sedimentary

Conglomerate

Conglomerate

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Uncertain coarse-grained igneous fragment (Likely granite or granitic pegmatite; quartz–feldspar–mica assemblage) — igneous

Uncertain coarse-grained igneous fragment

Likely granite or granitic pegmatite; quartz–feldspar–mica assemblage

Biotite-bearing granite or granitic gneiss (Quartz–feldspar–biotite assemblage; possibly metamorphosed granite (gneiss)) — igneous

Biotite-bearing granite or granitic gneiss

Quartz–feldspar–biotite assemblage; possibly metamorphosed granite (gneiss)

Granite fragment (Granite, chiefly quartz (SiO₂), feldspar, and mica) — igneous

Granite fragment

Granite, chiefly quartz (SiO₂), feldspar, and mica

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Jasper with Quartz (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Jasper with Quartz

Silicon Dioxide (SiO2) - Chalcedony variety

Mixed sandstone and iron-rich sedimentary rock fragments (Quartz arenite/subarkose, with ferruginous cement and possible iron-oxide staining) — sedimentary

Mixed sandstone and iron-rich sedimentary rock fragments

Quartz arenite/subarkose, with ferruginous cement and possible iron-oxide staining