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

Dalmatian Stone (Dalmatian Stone (a variety of aplite)) — igneous

Dalmatian Stone

Dalmatian Stone (a variety of aplite)

Eudialyte (Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)) — mineral

Eudialyte

Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)

Snowflake Obsidian (Volcanic glass containing Spherulites (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass containing Spherulites (SiO2)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Basalt (River Rock/Cobble) (Basalt (no specific mineral formula as it's a rock)) — Igneous

Basalt (River Rock/Cobble)

Basalt (no specific mineral formula as it's a rock)

Gneiss (with iron staining) (Gneiss) — metamorphic

Gneiss (with iron staining)

Gneiss

Turquoise (Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Coquina or Fossiliferous Sandstone (Fossiliferous Calcarenite (CaCO3 with SiO2 inclusions)) — sedimentary

Coquina or Fossiliferous Sandstone

Fossiliferous Calcarenite (CaCO3 with SiO2 inclusions)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Granite) — Igneous

Granite

Granite

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Amygdaloidal Basalt with Quartz/Calcite Inclusions (Amygdaloidal Basalt (SiO2 / CaCO3 inclusions)) — igneous

Amygdaloidal Basalt with Quartz/Calcite Inclusions

Amygdaloidal Basalt (SiO2 / CaCO3 inclusions)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Prasiolite (Green Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Amethyst (Quartz) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Quartz)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Amazonite (K(AlSi3O8), Microcline) — mineral

Amazonite

K(AlSi3O8), Microcline

Snowflake Obsidian (Volcanic glass containing Spherulitic Cristobalite (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass containing Spherulitic Cristobalite (SiO2)

Granite (Granite) — igneous

Granite

Granite

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Basalt (Vesicular/Weathered) (Mafic Igneous Rock (Mainly Plagioclase and Pyroxene)) — igneous

Basalt (Vesicular/Weathered)

Mafic Igneous Rock (Mainly Plagioclase and Pyroxene)

Pyrite (Pyrite (FeS₂)) — Mineral

Pyrite

Pyrite (FeS₂)

Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2) with Bornite (Cu5FeS4) oxidation) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2) with Bornite (Cu5FeS4) oxidation

Quartz (Smoky Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Granite (Granite) — igneous

Granite

Granite

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Obsidian (Volcanic glass) — igneous

Obsidian

Volcanic glass

Garnet (Garnet group [X3Y2(SiO4)3]) — mineral

Garnet

Garnet group [X3Y2(SiO4)3]

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Morganite (Pink Beryl) (Beryllium aluminum silicate Be3Al2(SiO3)6) — mineral

Morganite (Pink Beryl)

Beryllium aluminum silicate Be3Al2(SiO3)6

Amethyst (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

Granite Pegmatite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite Pegmatite

Phaneritic Felsic Igneous Rock (Granite)

Chondrite Meteorite (Ordinary Chondrite (L or H type)) — igneous

Chondrite Meteorite

Ordinary Chondrite (L or H type)

Olivine (Peridot when gem-quality) (Olivine Group (Magnesium Iron Silicate, (Mg,Fe)2SiO4)) — mineral

Olivine (Peridot when gem-quality)

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

Polished Black Obsidian (Volcanic Glass (70-75% SiO2)) — igneous

Polished Black Obsidian

Volcanic Glass (70-75% SiO2)

Imperial Topaz (Aluminum Silicate Fluoride Hydroxide Al2SiO4(F,OH)2) — mineral

Imperial Topaz

Aluminum Silicate Fluoride Hydroxide Al2SiO4(F,OH)2

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

Rutilated Quartz

Rutile in Quartz (SiO2 with TiO2 inclusions)

Amethyst (Quartz) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Quartz)

Silicon Dioxide (SiO2) with iron impurities

Quartz (Milky/Crystal Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Crystal Variety)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)