Rock Identifier

Category

Igneous And Sedimentary Mixture

Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.

Learn about Igneous And Sedimentary Mixture in the encyclopedia

Marl

Goldmanite

Andesine

Andesite

Andalusite

Andamooka Opal

Andradite Garnet

Andradite Garnet

Andesine-Labradorite

Andesine-Labradorite

Carbonatite

Conglomerate

Ironstone

Quartzite Sandstone

Quartzite Sandstone

Tumbled Agate (Silicon Dioxide (Chalcedony variety), SiO2) — mineral

Tumbled Agate

Silicon Dioxide (Chalcedony variety), SiO2

Coarse-grained Granite (Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)) — igneous

Coarse-grained Granite

Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)

Dalmatian Stone (Peralkaline Quartz-Feldspar Rock with Arfvedsonite) — igneous

Dalmatian Stone

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Limonite (Gozzany Iron) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Gozzany Iron)

Limonite (FeO(OH)·nH2O)

Diorite (or Gabbro/Greenschist pebble) (Diorite (Plagioclase Feldspar with Hornblende/Biotite)) — igneous

Diorite (or Gabbro/Greenschist pebble)

Diorite (Plagioclase Feldspar with Hornblende/Biotite)

Diorite (Intermediate Phaneritic Igneous Rock (Diorite)) — igneous

Diorite

Intermediate Phaneritic Igneous Rock (Diorite)

Mixed landscaping gravel and rounded fieldstones (Lithologically mixed aggregate; likely quartzite, basalt, granite, and weathered sedimentary rocks) — sedimentary

Mixed landscaping gravel and rounded fieldstones

Lithologically mixed aggregate; likely quartzite, basalt, granite, and weathered sedimentary rocks

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Yellow Chalcedony (likely Carnelian or Agate) (Silicon dioxide (SiO2)) — mineral

Yellow Chalcedony (likely Carnelian or Agate)

Silicon dioxide (SiO2)

Limonite (Iron Ore) (Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Iron oxide-hydroxide mixture, FeO(OH)·nH2O)

Limonite (Iron Ore) (Hydrous ferric oxides (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron Ore)

Hydrous ferric oxides (FeO(OH)·nH2O)

Ruby in Zoisite (Anyolite (Ruby in Zoisite)) — metamorphic

Ruby in Zoisite

Anyolite (Ruby in Zoisite)

Purple Garnet (Magnesium Aluminum Silicate (Pyrope-Almandine series) Mg3Al2(SiO4)3) — gemstone

Purple Garnet

Magnesium Aluminum Silicate (Pyrope-Almandine series) Mg3Al2(SiO4)3

Iron-rich concretion or weathered ironstone (Limonite/goethite-rich iron oxide (hydrated FeO(OH)·nH₂O), possibly with hematite) — mineral

Iron-rich concretion or weathered ironstone

Limonite/goethite-rich iron oxide (hydrated FeO(OH)·nH₂O), possibly with hematite

Tumbled jasper or chalcedony pebble (Microcrystalline quartz (SiO₂), likely iron-stained jasper/chalcedony) — mineral

Tumbled jasper or chalcedony pebble

Microcrystalline quartz (SiO₂), likely iron-stained jasper/chalcedony

Diorite (or Granite / Granodiorite) (Plutonic Igneous Rock (Intermediate to Felsic)) — igneous

Diorite (or Granite / Granodiorite)

Plutonic Igneous Rock (Intermediate to Felsic)

Likely tumbled hematite-rich ironstone (Hematite, Fe₂O₃, possibly mixed with goethite or magnetite) — mineral

Likely tumbled hematite-rich ironstone

Hematite, Fe₂O₃, possibly mixed with goethite or magnetite

Bauxite (Aluminium ore / Hydrated aluminium oxides (AlOx(OH)3-2x)) — sedimentary

Bauxite

Aluminium ore / Hydrated aluminium oxides (AlOx(OH)3-2x)

Bauxite (Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)) — sedimentary

Bauxite

Alumina-rich rock (consisting of Gibbsite, Boehmite, and Diaspore)

Chert (within Asphalt) (Chert (SiO2)) — sedimentary

Chert (within Asphalt)

Chert (SiO2)

Limonite and Goethite encrusted Chert/Ironstone (Hydrated Iron Oxide (FeO(OH)·nH2O) with cryptocrystalline Silica (SiO2)) — sedimentary

Limonite and Goethite encrusted Chert/Ironstone

Hydrated Iron Oxide (FeO(OH)·nH2O) with cryptocrystalline Silica (SiO2)

Bauxite (Hydrated Aluminum Oxides (primarily Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))) — sedimentary

Bauxite

Hydrated Aluminum Oxides (primarily Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))

Bog Iron / Limonite Concretion (Goethite/Limonite mixture (FeO(OH)·nH2O)) — sedimentary

Bog Iron / Limonite Concretion

Goethite/Limonite mixture (FeO(OH)·nH2O)

Gravel (Unconsolidated rock fragments / detrital sediment) — sedimentary

Gravel

Unconsolidated rock fragments / detrital sediment

Bauxite (Bauxite (Al2O3·2H2O mixed with iron oxides)) — sedimentary

Bauxite

Bauxite (Al2O3·2H2O mixed with iron oxides)

Granite Gravel / Crushed Granite (Plutonic Felsic Igneous Rock) — igneous

Granite Gravel / Crushed Granite

Plutonic Felsic Igneous Rock

Polished sodalite crescent cabochons (Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂) — mineral

Polished sodalite crescent cabochons

Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂

Limonite (Iron Ore) (Limonite (Hydrous iron(III) oxide-hydroxide mixture, FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (Hydrous iron(III) oxide-hydroxide mixture, FeO(OH)·nH2O)

Limonite / Ironstone (FeO(OH)·nH2O) — sedimentary

Limonite / Ironstone

FeO(OH)·nH2O

Greywacke (River Pebble) (Greywacke (Indurated Sandstone)) — sedimentary

Greywacke (River Pebble)

Greywacke (Indurated Sandstone)

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Limonite (Ironstone Concretion) (Limonite (Hydrated iron(III) oxide-hydroxide, mixtures of FeO(OH)·nH2O)) — sedimentary

Limonite (Ironstone Concretion)

Limonite (Hydrated iron(III) oxide-hydroxide, mixtures of FeO(OH)·nH2O)

Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Tumbled Agate (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Tumbled Agate

Silicon Dioxide (Chalcedony variety), SiO2

Tumbled sodalite beads (Sodalite, Na8(Al6Si6O24)Cl2, commonly with minor white calcite or nepheline) — mineral

Tumbled sodalite beads

Sodalite, Na8(Al6Si6O24)Cl2, commonly with minor white calcite or nepheline

Graywacke (Graywacke) — sedimentary

Graywacke

Graywacke

Weathered iron-rich concretion (probable limonite/goethite) (Limonite–goethite aggregate, approximately FeO(OH)·nH₂O) — mineral

Weathered iron-rich concretion (probable limonite/goethite)

Limonite–goethite aggregate, approximately FeO(OH)·nH₂O

Bauxite (Bauxite (mixture of Gibbiste Al(OH)3, Boehmite ̳-AlO(OH), and Diaspore ́-AlO(OH))) — sedimentary

Bauxite

Bauxite (mixture of Gibbiste Al(OH)3, Boehmite ̳-AlO(OH), and Diaspore ́-AlO(OH))

Agate (Silicon Dioxide (Quartz), SiO2) — mineral

Agate

Silicon Dioxide (Quartz), SiO2

Graphic Granite (Pegmatitic Granite (Quartz and Microcline K-Feldspar mixture)) — igneous

Graphic Granite

Pegmatitic Granite (Quartz and Microcline K-Feldspar mixture)

Limonite with Iron Inclusions (Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)) — sedimentary

Limonite with Iron Inclusions

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)

Limonite (Ironstone) (Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)) — mineral

Limonite (Ironstone)

Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)