Rock Identifier

Category

Metamorphic Or Igneous

Browse metamorphic or igneous specimens identified by the Rock Identifier community.

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

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Crystal Quartz Beads (likely Clear Quartz) (Quartz (SiO₂)) — Mineral

Crystal Quartz Beads (likely Clear Quartz)

Quartz (SiO₂)

Aventurine (Aventurine Quartz (SiO2 with inclusions)) — Mineral

Aventurine

Aventurine Quartz (SiO2 with inclusions)

Labradorite (Labradorite (a variety of Plagioclase Feldspar), Na(AlSi3O8) to Ca(Al2Si2O8)) — Mineral

Labradorite

Labradorite (a variety of Plagioclase Feldspar), Na(AlSi3O8) to Ca(Al2Si2O8)

Banded Gneiss (Gneiss (pronounced 'nice')) — metamorphic

Banded Gneiss

Gneiss (pronounced 'nice')

Citrine (Quartz (SiO2) - specifically, a variety of macrocrystalline quartz) — mineral

Citrine

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Pyrite (Pyrite (FeS2)) — Mineral

Pyrite

Pyrite (FeS2)

Lapis Lazuli (Lapis Lazuli (a rock composed primarily of Lazurite)) — Metamorphic rock

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Metamorphic rock

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Green Aventurine (Aventurine Quartz (SiO2 with Fuchsite inclusions)) — metamorphic

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Green Aventurine (Quartz with Fuchsine inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)) — mineral

Green Aventurine

Quartz with Fuchsine inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)

Rhodonite (Rhodonite (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Rhodonite (Mn,Fe,Mg,Ca)SiO3

Blue Aventurine (Silicon Dioxide (SiO2) containing Dumortierite or Crocidolite inclusions) — mineral

Blue Aventurine

Silicon Dioxide (SiO2) containing Dumortierite or Crocidolite inclusions

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Serpentine (Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)) — metamorphic

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Apatite (Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))) — mineral

Apatite

Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))

Rock Crystal Quartz (Quartz (SiO₂)) — Mineral

Rock Crystal Quartz

Quartz (SiO₂)

Mica Schist (Mica Schist (primarily Muscovite or Biotite sheet silicates)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite sheet silicates)

Mica (likely Muscovite) (Muscovite / KAl2(AlSi3O10)(OH)2) — mineral

Mica (likely Muscovite)

Muscovite / KAl2(AlSi3O10)(OH)2

Quartz (River Pebble) (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz (River Pebble)

Quartz (SiO₂ - Silicon Dioxide)

River Pebbles and Quartz (Mixed Igneous, Sedimentary, and Metamorphic Rocks (Silicon Dioxide SiO2 dominant)) — mixed

River Pebbles and Quartz

Mixed Igneous, Sedimentary, and Metamorphic Rocks (Silicon Dioxide SiO2 dominant)

Sodalite (Sodalite (Na4Al3Si3O12Cl)) — Mineral

Sodalite

Sodalite (Na4Al3Si3O12Cl)

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

Rutilated Quartz

Quartz (SiO2) with Rutile (TiO2) inclusions

Moonstone (Adularia (orthoclase feldspar variety)) — mineral

Moonstone

Adularia (orthoclase feldspar variety)

Citrine Quartz (Quartz (SiO2) - specifically, a variety of macrocrystalline quartz) — Mineral

Citrine Quartz

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Rhodonite (Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3) — Mineral

Rhodonite

Rhodonite (Manganese Silicate), chemical formula: (Mn,Fe,Mg,Ca)SiO3

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Muscovite Mica (Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2) — Mineral

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Sunstone and Green Aventurine (Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)) — Mineral

Sunstone and Green Aventurine

Sunstone: (Ca,Na)[(Al,Si)2Si2O8] (Plagioclase Feldspar Group); Green Aventurine: SiO2 (Quartz)

Green Aventurine (likely) (Silicon dioxide (SiO2) with fuchsitemica inclusions) — Mineral (specifically a variety of Quartz)

Green Aventurine (likely)

Silicon dioxide (SiO2) with fuchsitemica inclusions

Mineral (specifically a variety of Quartz)

Green Aventurine (Quartz (SiO2) with Fuchsite inclusions) — Mineral

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Green Aventurine (Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)) — Mineral

Green Aventurine

Aventurine (a variety of Quartz, SiO2 with fuchsite inclusions)

Almandine Garnet (Almandine (Fe3Al2(SiO4)3)) — mineral

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Yellow Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)) — metamorphic

Yellow Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)

Rhodonite (Manganese Silicate (Mn,Fe,Mg,Ca)SiO3) — metamorphic

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Green Aventurine (Silicon dioxide (SiO2) with inclusions of Fuchsite) — mineral

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite

Rhodonite (Rhodonite (Manganese silicate, (Mn,Fe,Mg,Ca)SiO3)) — mineral

Rhodonite

Rhodonite (Manganese silicate, (Mn,Fe,Mg,Ca)SiO3)

Rhodonite (Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3

Ruby in Zoisite (Ruby (α-Al2O3) embedded in Zoisite (Ca2Al3(SiO4)3(OH)) with some Hornblende) — Metamorphic Rock (composed of multiple minerals)

Ruby in Zoisite

Ruby (α-Al2O3) embedded in Zoisite (Ca2Al3(SiO4)3(OH)) with some Hornblende

Metamorphic Rock (composed of multiple minerals)