Rock Identifier

Category

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

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Yellow Ochre (Limonite) (Limonite (FeO(OH)qnH2O)) — sedimentary

Yellow Ochre (Limonite)

Limonite (FeO(OH)qnH2O)

Breccia (Breccia (Clastic sedimentary rock)) — sedimentary

Breccia

Breccia (Clastic sedimentary rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Pink Granite (Phaneritic Felsic Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Unakite (Unakite Epidosite (composite of Epidote, Orthoclase, and Quartz)) — metamorphic

Unakite

Unakite Epidosite (composite of Epidote, Orthoclase, and Quartz)

Quartz (Granular) (Silicon Dioxide (SiO2)) — mineral

Quartz (Granular)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2)

Quartz with Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz with Matrix

Silicon Dioxide (SiO2)

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Mixed river pebbles, likely including quartz-rich rocks (Unidentified mixed lithologies; the pale pieces appear quartz- or feldspar-rich, but the image is insufficient for a specific identification) — sedimentary

Mixed river pebbles, likely including quartz-rich rocks

Unidentified mixed lithologies; the pale pieces appear quartz- or feldspar-rich, but the image is insufficient for a specific identification

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz vein fragment (Quartz, silicon dioxide (SiO₂), likely milky to translucent quartz with iron-oxide or clay inclusions) — mineral

Quartz vein fragment

Quartz, silicon dioxide (SiO₂), likely milky to translucent quartz with iron-oxide or clay inclusions

Quartz-rich rock, possibly milky quartz or quartzite (Quartz (SiO₂); if quartzite, recrystallized quartz sandstone) — metamorphic

Quartz-rich rock, possibly milky quartz or quartzite

Quartz (SiO₂); if quartzite, recrystallized quartz sandstone

K-feldspar Granite / Red Granite Fragment (Alkali feldspar granite (Plutonic igneous rock)) — igneous

K-feldspar Granite / Red Granite Fragment

Alkali feldspar granite (Plutonic igneous rock)

Unakite (Granitic rock composed of pink orthoclase feldspar, green epidote, and clear quartz) — metamorphic

Unakite

Granitic rock composed of pink orthoclase feldspar, green epidote, and clear quartz

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

Agate and Chalcedony

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Jasper / Agate with Petrified Wood Inclusion (SiO2) — mineral

Jasper / Agate with Petrified Wood Inclusion

SiO2

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

Apatite

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

Polymictic conglomerate (Clast-supported conglomerate, typically quartz- and feldspar-rich in a dark matrix) — sedimentary

Polymictic conglomerate

Clast-supported conglomerate, typically quartz- and feldspar-rich in a dark matrix

Puddingstone (Conglomerate) — Sedimentary

Puddingstone

Conglomerate

Tumbled jasper (likely yellow/brecciated jasper) (Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and clay inclusions) — metamorphic

Tumbled jasper (likely yellow/brecciated jasper)

Microcrystalline quartz/chalcedony, SiO₂, with iron-oxide and clay inclusions

Epidosite with Quartz (Unakite-variant or Jasper) (Epidotized Metasomatite) — metamorphic

Epidosite with Quartz (Unakite-variant or Jasper)

Epidotized Metasomatite