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

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Tumbled Clear Quartz and Citrine Points (Silicon Dioxide (SiO2)) — mineral

Tumbled Clear Quartz and Citrine Points

Silicon Dioxide (SiO2)

Chalcedony (Common Opal variant) (Silicon dioxide (SiO2) with varying levels of hydration) — mineral

Chalcedony (Common Opal variant)

Silicon dioxide (SiO2) with varying levels of hydration

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal

Silicon Dioxide (SiO2)

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

Sodalite

Sodalite [Na8(Al6Si6O24)Cl2]

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Magnetite / Hematite rich ore (Magnetite (Fe3O4) or Hematite (Fe2O3)) — mineral

Magnetite / Hematite rich ore

Magnetite (Fe3O4) or Hematite (Fe2O3)

Rose Quartz (Silicon dioxide (SiO2) with trace titanium, manganese, or iron) — mineral

Rose Quartz

Silicon dioxide (SiO2) with trace titanium, manganese, or iron

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

Granite

Granite (Felsic intrusive igneous rock)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Milky Quartz with Iron Staining) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz with Iron Staining)

Silicon Dioxide (SiO2)

Granite (Granite) — igneous

Granite

Granite

Granite (Granite (a felsic intrusive igneous rock composed primarily of quartz, feldspar, and mica)) — igneous

Granite

Granite (a felsic intrusive igneous rock composed primarily of quartz, feldspar, and mica)

Granite Cobble/Pebble (Granite) — Igneous

Granite Cobble/Pebble

Granite

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Green Tourmaline (Verdelite) (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — mineral

Green Tourmaline (Verdelite)

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

Blue Apatite (Calcium Fluorophosphate - Ca5(PO4)3F) — mineral

Blue Apatite

Calcium Fluorophosphate - Ca5(PO4)3F

Zoisite with Hornblende (Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions) — metamorphic

Zoisite with Hornblende

Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions

Chalcedony (specifically Agate and Carnelian variety) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Chalcedony (specifically Agate and Carnelian variety)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Carnelian (Carnelian Agate (SiO2)) — gemstone

Carnelian

Carnelian Agate (SiO2)

Sardonyx or Carnelian Agate (Silicon Dioxide (SiO2) with iron impurities) — mineral

Sardonyx or Carnelian Agate

Silicon Dioxide (SiO2) with iron impurities

Chalcedony (Agate and Carnelian varieties) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate and Carnelian varieties)

Silicon Dioxide (SiO2)

Amazonite (Microcline (variety Amazonite), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety Amazonite), K(AlSi3O8)

Yellow Chalcedony (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony

Silicon Dioxide (SiO2)

Rose Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Rose Quartz

Quartz (Silicon Dioxide - SiO2)

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

Blue Apatite

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

Blue Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Blue Calcite

Calcite (Calcium Carbonate, CaCO3)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Lapis Lazuli (Lapis Lazuli (Rock composed primarily of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Rock composed primarily of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Magnetite (Iron Ore) (Magnetite (Fe3O4)) — mineral

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Raw Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — mineral

Raw Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Citrine Quartz (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Citrine Quartz

SiO2 (Silicon Dioxide with Iron impurities)