Rock Identifier

Category

Igneous, Sedimentary, And Metamorphic Mix

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

Learn about Igneous, Sedimentary, And Metamorphic Mix in the encyclopedia

Carbonatite

Conglomerate

Cordierite Hornfels

Cordierite Hornfels

Quartzite Sandstone

Quartzite Sandstone

Metabasalt

Eulysite

Migmatite

Breccia

Ironstone

Anthracite

Metaquartzite

Slate

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Obsidian with Slate/Tuff (Volcanic glass (SiO2) with associated pyroclastic rock) — igneous

Obsidian with Slate/Tuff

Volcanic glass (SiO2) with associated pyroclastic rock

Greywacke with Quartz Veins (Lithic Wacke (SiO2 enriched)) — sedimentary

Greywacke with Quartz Veins

Lithic Wacke (SiO2 enriched)

Caribbean Calcite (Calcium Carbonate (CaCO3) with Aragonite (CaCO3)) — sedimentary

Caribbean Calcite

Calcium Carbonate (CaCO3) with Aragonite (CaCO3)

Weathered fine-grained stone, likely sandstone or quartzite (Quartz-rich sandstone (possibly weakly metamorphosed quartzite); predominantly SiO₂) — sedimentary

Weathered fine-grained stone, likely sandstone or quartzite

Quartz-rich sandstone (possibly weakly metamorphosed quartzite); predominantly SiO₂

Unakite (Granite composed of pink orthoclase feldspar, green epidote, and colorless quartz) — igneous

Unakite

Granite composed of pink orthoclase feldspar, green epidote, and colorless quartz

Granodiorite (Granodiorite (Intermediate intrusive igneous rock)) — igneous

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Septarian Nodule (Dragon Stone) (Septarian Concretion (CaCO3 + CaMg(CO3)2 + SiO2)) — sedimentary

Septarian Nodule (Dragon Stone)

Septarian Concretion (CaCO3 + CaMg(CO3)2 + SiO2)

Amethyst and Agate Geode Section (Silicon Dioxide (SiO2) - Crystalline Quartz and Chalcedony) — mineral

Amethyst and Agate Geode Section

Silicon Dioxide (SiO2) - Crystalline Quartz and Chalcedony

Polished hematite bead (probable) (Hematite, Fe₂O₃) — mineral

Polished hematite bead (probable)

Hematite, Fe₂O₃

Granite (Pebble) (Intrusive Felsic Igneous Rock) — igneous

Granite (Pebble)

Intrusive Felsic Igneous Rock

Asphalt (Bituminous Pavement) (Bituminous mix (Aggregates with Bitumen binder)) — sedimentary

Asphalt (Bituminous Pavement)

Bituminous mix (Aggregates with Bitumen binder)

Shiva Lingam (Cryptocrystalline Quartz (Jasproid/Chalcedony mix)) — sedimentary

Shiva Lingam

Cryptocrystalline Quartz (Jasproid/Chalcedony mix)

Agate (Plume or Moss Agate variant) (Chalcedony (SiO2) with various inclusions) — mineral

Agate (Plume or Moss Agate variant)

Chalcedony (SiO2) with various inclusions

Asphalt Concrete (Bituminous Conglomerate) (Anthropogenic Bituminous Conglomerate) — sedimentary

Asphalt Concrete (Bituminous Conglomerate)

Anthropogenic Bituminous Conglomerate

Siltstone Pebble (Siltstone (composed of hydraulic-sorted silt-sized particles)) — sedimentary

Siltstone Pebble

Siltstone (composed of hydraulic-sorted silt-sized particles)

Porphyritic Igneous Rock / Basalt or Andesite Xenolith in Granite or Quartzite (Silicate rock with contrasting xenolith/inclusion) — igneous

Porphyritic Igneous Rock / Basalt or Andesite Xenolith in Granite or Quartzite

Silicate rock with contrasting xenolith/inclusion

Concrete Fragment (Hardened Portland cement and mineral aggregate) — sedimentary (anthropogenic)

Concrete Fragment

Hardened Portland cement and mineral aggregate

sedimentary (anthropogenic)

Diorite (or salt-and-pepper granite pebble) (Phaneritic Igneous Rock (Intermediate Composition)) — igneous

Diorite (or salt-and-pepper granite pebble)

Phaneritic Igneous Rock (Intermediate Composition)

Ironstone Pebble (Sedimentary Ironstone (Hematite/Limonite-bearing)) — sedimentary

Ironstone Pebble

Sedimentary Ironstone (Hematite/Limonite-bearing)

Limestone and Quartz Gravel with Petrified Wood (Sedimentary gravel aggregate and fossilized wood) — sedimentary

Limestone and Quartz Gravel with Petrified Wood

Sedimentary gravel aggregate and fossilized wood

Diorite (Phaneritic Intermediate Plutonic Rock) — igneous

Diorite

Phaneritic Intermediate Plutonic Rock

Diorite (Intermediate Phaneritic Igneous Rock) — igneous

Diorite

Intermediate Phaneritic Igneous Rock

Dragon Blood Jasper (Epidote with Red Jasper (Quartz variety)) — sedimentary

Dragon Blood Jasper

Epidote with Red Jasper (Quartz variety)

Amethyst, Aventurine, and Quartz Mix (Silicon Dioxide (SiO2) with various inclusions/trace elements) — mineral

Amethyst, Aventurine, and Quartz Mix

Silicon Dioxide (SiO2) with various inclusions/trace elements

Chert (Jasper/Agate mix) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate mix)

Microcrystalline Quartz (SiO2)

Volcanic Tuff (Breccia) (Pyroclastic Tuffaceous Rock) — igneous

Volcanic Tuff (Breccia)

Pyroclastic Tuffaceous Rock

River Pebbles and Cobbles (Mixed Siliciclastic Sediments (Quartzite, Chert, and Sandstone clasts)) — sedimentary

River Pebbles and Cobbles

Mixed Siliciclastic Sediments (Quartzite, Chert, and Sandstone clasts)

Quartz (Milky/Smoky mix) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Smoky mix)

Silicon Dioxide (SiO2)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Pietersite (Silicolite (brecciated tiger's eye with hawk's eye)) — Mineral

Pietersite

Silicolite (brecciated tiger's eye with hawk's eye)

Diorite (Diorite (an intrusive igneous rock)) — igneous

Diorite

Diorite (an intrusive igneous rock)

Concrete (Anthropogenic Conglomerate) — sedimentary

Concrete

Anthropogenic Conglomerate

Concrete with Aggregate (Artificial Conglomerate (Cement and Aggregate)) — sedimentary

Concrete with Aggregate

Artificial Conglomerate (Cement and Aggregate)

Graywacke (Lithic Sandstone (Graywacke)) — sedimentary

Graywacke

Lithic Sandstone (Graywacke)

Fancy Jasper (Chalcedony (SiO2)) — sedimentary

Fancy Jasper

Chalcedony (SiO2)

Jasper and Agate (Polished Pebble) (Chalcedony (SiO2 with impurities)) — Sedimentary

Jasper and Agate (Polished Pebble)

Chalcedony (SiO2 with impurities)

Sandstone (Greywacke) (Arenite / Lithic Wacke (SiO2 predominant)) — sedimentary

Sandstone (Greywacke)

Arenite / Lithic Wacke (SiO2 predominant)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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)

Petrified Wood Agate (Silicified Wood (primarily SiO2)) — fossil

Petrified Wood Agate

Silicified Wood (primarily SiO2)