Rock Identifier

Category

Igneous And Mineral

Browse igneous and mineral specimens identified by the Rock Identifier community.

Learn about Igneous And Mineral in the encyclopedia

Carbonatite

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Amazonite (Microcline Feldspar (KAlSi3O8)) — mineral

Amazonite

Microcline Feldspar (KAlSi3O8)

Quartz (or Chalcedony) Specimen (Silicon Dioxide (SiO2)) — mineral

Quartz (or Chalcedony) Specimen

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Lapis Lazuli (Low-grade) (Lapis Lazuli (Aggregate of Lazurite, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli (Low-grade)

Lapis Lazuli (Aggregate of Lazurite, Calcite, and Pyrite)

Snowflake Obsidian (Volcanic glass with Phenocrysts (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass with Phenocrysts (SiO2)

Obsidian (Volcanic Glass (Amorphous Silica, SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous Silica, SiO2)

Obsidian (Volcanic glass (SiO2 - Silicon Dioxide with impurities)) — igneous

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide with impurities)

Black Obsidian (Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)) — igneous

Black Obsidian

Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)

Granite (Granite (Felsic intrusive igneous rock)) — igneous

Granite

Granite (Felsic intrusive igneous rock)

Granite Pebble (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

Granite (Phaneritic plutonic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

Granite (Granite (compositional mixture of Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (compositional mixture of Quartz, Feldspar, and Mica)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

White Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

White Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Blue Quartz with Graphite/Tourmaline Inclusions (Silicon Dioxide (SiO2) with Carbon (C) or Schorl elements) — mineral

Blue Quartz with Graphite/Tourmaline Inclusions

Silicon Dioxide (SiO2) with Carbon (C) or Schorl elements

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Agate (Carnelian / Chalcedony) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (Carnelian / Chalcedony)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Oxide inclusions

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky Quartz / Clear Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz / Clear Quartz)

Silicon Dioxide (SiO2)

Gold (Native Gold (Au)) — mineral

Gold

Native Gold (Au)

Black Garnet (Melanite) (Andradite, Ca3Fe2(SiO4)3) — mineral

Black Garnet (Melanite)

Andradite, Ca3Fe2(SiO4)3

Milky Quartz Pebble (Beach Agate / Quartz) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble (Beach Agate / Quartz)

Silicon Dioxide (SiO2)

Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Beryl (likely Aquamarine) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Beryl (likely Aquamarine)

Beryllium aluminum silicate (Be3Al2Si6O18)

Sunstone / Peach Moonstone (Feldspar variety) (Potassium Aluminum Silicate (KAlSi3O8)) — mineral

Sunstone / Peach Moonstone (Feldspar variety)

Potassium Aluminum Silicate (KAlSi3O8)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Sunstone (Plagioclase Feldspar (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Al,Si)4O8

Olivine (Peridot Stone) ((Mg, Fe)2SiO4 (Magnesium Iron Silicate)) — mineral

Olivine (Peridot Stone)

(Mg, Fe)2SiO4 (Magnesium Iron Silicate)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Banded Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Banded Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Carnelian Agate (Silicon Dioxide (SiO2) - variety of Chalcedony) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2)) — mineral

Carnelian Agate

Silicon Dioxide (SiO2)