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

Chalcedony / Agate with Botryoidal Quartz (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony / Agate with Botryoidal Quartz

Silicon Dioxide (SiO2)

White Quartz Star-cut crystal (Silicon Dioxide (SiO2)) — mineral

White Quartz Star-cut crystal

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

Quartzite River Rock (with Limonite staining) (Quartzite (SiO2)) — metamorphic

Quartzite River Rock (with Limonite staining)

Quartzite (SiO2)

Iron-stained quartz-rich rock, possibly jasper or chert (Microcrystalline quartz (SiO₂) with iron oxides/hydroxides) — mineral

Iron-stained quartz-rich rock, possibly jasper or chert

Microcrystalline quartz (SiO₂) with iron oxides/hydroxides

Jasper (Silicon dioxide (Microcrystalline quartz, SiO2)) — sedimentary

Jasper

Silicon dioxide (Microcrystalline quartz, SiO2)

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

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

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

Magnetite

Iron(II,III) oxide (Fe3O4)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Rutilated Quartz (Quartz with Rutile inclusions (SiO2 with TiO2)) — mineral

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2)

Ruby (varieties of Corundum) (Aluminum oxide (Al2O3) with Chromium traces) — mineral

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

White Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

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

Quartz (Pink/Rose or Hematinoid Quartz)

Silicon Dioxide (SiO2)

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

Quartz Heart or Arrowhead Shape

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

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

Mica

Mica group (often Muscovite or Biotite)

Clear Quartz (SiO2 (Silicon Dioxide)) — gemstone

Clear Quartz

SiO2 (Silicon Dioxide)

Quartz Vein in Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Sapphire (Corundum (Al2O3)) — gemstone

Sapphire

Corundum (Al2O3)

Quartz Pebble (Smoky Quartz / Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Smoky Quartz / Chalcedony)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Blue Quartz (Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with fibrous inclusions (such as tourmaline, magnesio-riebbeckite, or crocidolite)

Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

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

Blue Apatite

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

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Ruby (in a ring setting) (Corundum (Al2O3:Cr)) — gemstone

Ruby (in a ring setting)

Corundum (Al2O3:Cr)

Yellow Sapphire (Corundum (Al2O3)) — gemstone

Yellow Sapphire

Corundum (Al2O3)

Milky Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Green Aventurine (Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2) — mineral

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Biotite Mica (K(Mg, Fe)3(AlSi3O10)(F, OH)2) — mineral

Biotite Mica

K(Mg, Fe)3(AlSi3O10)(F, OH)2

Aventurine (Silicon Dioxide (SiO2) with inclusions) — mineral

Aventurine

Silicon Dioxide (SiO2) with inclusions

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz (Milky or Clear Quartz fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Yellow Ocher (Limonite) (Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O) — mineral

Yellow Ocher (Limonite)

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

Polished brown jasper (Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities) — metamorphic

Polished brown jasper

Jasper, microcrystalline quartz (SiO₂) with iron-oxide impurities

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fancy Jasper (Chalcedony (cryptocrystalline quartz) with inclusions) — Mineral

Fancy Jasper

Chalcedony (cryptocrystalline quartz) with inclusions