Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Learn about Igneous in the encyclopedia

Sölvsbergite

Sölvsbergite

Mint Obsidian

Mint Obsidian

Minette

Minette

Yellow-Green Obsidian

Yellow-Green Obsidian

Bostonite

Bostonite

Yellow Obsidian

Yellow Obsidian

Tinguaite

Tinguaite

Wonderstone

Wonderstone

Wehrite

Wehrite

Watermelon Obsidian

Watermelon Obsidian

Websterite

Websterite

Variolite

Variolite

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Sodalite (Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Hypersthene (Enstatite (Hypersthene variety), (Mg,Fe)SiO3) — mineral

Hypersthene

Enstatite (Hypersthene variety), (Mg,Fe)SiO3

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Chalcedony (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Tumbled)

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(F,OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Sodalite (Sodalite Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite Na8(Al6Si6O24)Cl2

Pyrite in Quartzite/Graphite Matrix (Iron Sulfide (FeS2)) — Mineral

Pyrite in Quartzite/Graphite Matrix

Iron Sulfide (FeS2)

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

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Quartz (Citrine or Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Iron-Stained)

Silicon Dioxide (SiO2)

Quartz (Small Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Corundum (Sapphire and Ruby) (Aluminum Oxide (Al2O3)) — mineral

Corundum (Sapphire and Ruby)

Aluminum Oxide (Al2O3)

Rose Quartz (Quartz (Silicon Dioxide, SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Quartz (Silicon Dioxide, SiO2) with trace amounts of titanium, iron, or manganese

Chalcedony (Agate/Carnelian) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Carnelian)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO₂)) — mineral

Smoky Quartz

Silicon Dioxide (SiO₂)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Olivine (Peridot) (Olivine Group (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Olivine Group (Mg,Fe)2SiO4

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Milky Quartz (Ferruginous variety) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Ferruginous variety)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Labradorite (Dark or Black variety) (Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8) — mineral

Labradorite (Dark or Black variety)

Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Lapis Lazuli (Tectosilicate (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2) — metamorphic

Lapis Lazuli

Tectosilicate (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2

Amazonite (Amazonite (KAlSi3O8)) — mineral

Amazonite

Amazonite (KAlSi3O8)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Garnet

Garnet group [X3Y2(SiO4)3]

Quartz (Citrine variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine variety)

Silicon Dioxide (SiO2)

Quartz Druzy (on Geode Fragments) (Silicon Dioxide (SiO2)) — mineral

Quartz Druzy (on Geode Fragments)

Silicon Dioxide (SiO2)