Rock Identifier

Category

Sedimentary And Igneous (Mixed)

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

Learn about Sedimentary And Igneous (Mixed) in the encyclopedia

Migmatite

Turbidite

Andesine

Andesite

Andalusite

Andamooka Opal

Andradite Garnet

Andradite Garnet

Andesine-Labradorite

Andesine-Labradorite

Carbonatite

Conglomerate

Ironstone

Quartzite Sandstone

Quartzite Sandstone

Shale (Shale) — sedimentary

Shale

Shale

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Dalmatian Jasper (Aplite with Arfvedsonite inclusions) — igneous

Dalmatian Jasper

Aplite with Arfvedsonite inclusions

Magnetite (Lodestone variety) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

Magnetite (Iron(II,III) oxide (Fe3O4)) — mineral

Magnetite

Iron(II,III) oxide (Fe3O4)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Coarse-grained granite (Granite; predominantly quartz, potassium feldspar, plagioclase, and biotite/hornblende) — igneous

Coarse-grained granite

Granite; predominantly quartz, potassium feldspar, plagioclase, and biotite/hornblende

Quartz Geode (Silicon dioxide (SiO2)) — sedimentary

Quartz Geode

Silicon dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Clear Quartz (SiO2 (Silicon Dioxide)) — gemstone

Clear Quartz

SiO2 (Silicon Dioxide)

Mica (Mica group (often Muscovite or Biotite)) — mineral

Mica

Mica group (often Muscovite or Biotite)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Likely quartz fragment (Quartz (silicon dioxide, SiO₂), possibly milky quartz or quartz-rich rock) — mineral

Likely quartz fragment

Quartz (silicon dioxide, SiO₂), possibly milky quartz or quartz-rich rock

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Raw Calcite (Calcium Carbonate (CaCO3)) — mineral

Raw Calcite

Calcium Carbonate (CaCO3)

Dalmation Stone (Dalmation Jasper) (Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)) — igneous

Dalmation Stone (Dalmation Jasper)

Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)

Botryoidal hematite (specular hematite) (Hematite, Fe₂O₃) — mineral

Botryoidal hematite (specular hematite)

Hematite, Fe₂O₃

Jasper (Green) (Silicon dioxide (SiO2)) — Mineral/Sedimentary

Jasper (Green)

Silicon dioxide (SiO2)

Mineral/Sedimentary

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (SiO2 (Silicon Dioxide)) — mineral

Quartz

SiO2 (Silicon Dioxide)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Blue Apatite

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

Red jasper (likely iron-rich chert) (Microcrystalline quartz (SiO₂) colored by hematite/goethite) — sedimentary

Red jasper (likely iron-rich chert)

Microcrystalline quartz (SiO₂) colored by hematite/goethite

Quartz Heart or Arrowhead Shape (Silicon Dioxide (SiO2)) — mineral

Quartz Heart or Arrowhead Shape

Silicon Dioxide (SiO2)

Galena (Lead Sulfide (PbS)) — mineral

Galena

Lead Sulfide (PbS)

Quartz (Rose Quartz or Jasper variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Rose Quartz or Jasper variety)

Silicon Dioxide (SiO2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Chalcopyrite (CuFeS2 (Copper Iron Sulfide)) — mineral

Chalcopyrite

CuFeS2 (Copper Iron Sulfide)

Weathered quartz-rich rock fragment (Likely milky quartz–bearing quartzite or silica-rich chert; exact identification requires testing) — mineral

Weathered quartz-rich rock fragment

Likely milky quartz–bearing quartzite or silica-rich chert; exact identification requires testing

Chert or jasper fragment (Microcrystalline quartz (SiO₂), likely iron-stained chert/jasper) — sedimentary

Chert or jasper fragment

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

Likely calcite-rich limestone or marble (Calcite (CaCO₃); possibly recrystallized limestone (marble)) — metamorphic

Likely calcite-rich limestone or marble

Calcite (CaCO₃); possibly recrystallized limestone (marble)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Calcite (with iron oxide staining) (Calcium Carbonate (CaCO3)) — mineral

Calcite (with iron oxide staining)

Calcium Carbonate (CaCO3)

Serafina (Serafinite / Clinochlore) (Clinochlore (Mg5Al)(AlSi3O10)(OH)8) — mineral

Serafina (Serafinite / Clinochlore)

Clinochlore (Mg5Al)(AlSi3O10)(OH)8

Black Dolomite (Bituminous Dolomite (CaMg(CO3)2)) — sedimentary

Black Dolomite

Bituminous Dolomite (CaMg(CO3)2)

River Rocks (Polished River Pebbles) (Stream-rounded clastic sediments) — Mixed (Sedimentary, Igneous, and Metamorphic)

River Rocks (Polished River Pebbles)

Stream-rounded clastic sediments

Mixed (Sedimentary, Igneous, and Metamorphic)

River Pebbles (Stream-rounded rocks) (Fluvial Detritus (varied mineralogy)) — Mixed (predominantly sedimentary and igneous)

River Pebbles (Stream-rounded rocks)

Fluvial Detritus (varied mineralogy)

Mixed (predominantly sedimentary and igneous)