Rock Identifier

Category

Mineral In Igneous Rock

Browse mineral in igneous rock specimens identified by the Rock Identifier community.

Quartz with Muscovite Mica (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)) — mineral

Quartz with Muscovite Mica

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)

mineral
Granodiorite (Granodiorite) — igneous

Granodiorite

Granodiorite

igneous
Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

sedimentary
Quartz (Rock Crystal) with minor impurities (Quartz (SiO2)) — Mineral

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Mineral
Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral
Wonderstone (Banded Rhyolite (SiO2 with impurities)) — igneous

Wonderstone

Banded Rhyolite (SiO2 with impurities)

igneous
Vesicular Basalt (River Pebble) (Vesicular Basalt) — igneous

Vesicular Basalt (River Pebble)

Vesicular Basalt

igneous
Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

igneous
Granite (Granite (Phaneritic Igneous Rock / Quartz, Feldspar, Mica)) — igneous

Granite

Granite (Phaneritic Igneous Rock / Quartz, Feldspar, Mica)

igneous
Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

mineral
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Indigo Gabbro (Gabbro (Alkali Gabbro)) — igneous

Indigo Gabbro

Gabbro (Alkali Gabbro)

igneous
Granite (Granite) — igneous

Granite

Granite

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

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic
Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

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

Gneiss

Gneiss (High-grade metamorphic rock)

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

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Granite Thin Section (Granitic rock (Phaneritic texture)) — igneous

Granite Thin Section

Granitic rock (Phaneritic texture)

igneous
Biotite Schist (likely) (Biotite Schist (rock), Biotite (mineral)) — Metamorphic

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Metamorphic
Sunstone (Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)) — mineral

Sunstone

Oligoclase or Andesine (Plagioclase Feldspar) - (Ca, Na)((Al, Si)2Si2O8)

mineral
Thunderegg (specifically a Jasper/Agate-filled Geode nodule) (Silicon Dioxide (SiO2) within Rhyolitic Matrix) — igneous

Thunderegg (specifically a Jasper/Agate-filled Geode nodule)

Silicon Dioxide (SiO2) within Rhyolitic Matrix

igneous
Black Tourmaline in Quartz (Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) in Silicon Dioxide (SiO2)) — igneous

Black Tourmaline in Quartz

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4) in Silicon Dioxide (SiO2)

igneous
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

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

Milky Quartz (with Iron staining)

Silicon Dioxide (SiO2)

mineral
Ocean Jasper (Orbicular Jasper (SiO2)) — mineral

Ocean Jasper

Orbicular Jasper (SiO2)

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

Quartz Vein with Iron Staining

Silicon Dioxide (SiO2)

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

Gneiss

Gneiss (High-grade metamorphic rock)

metamorphic
Sandstone (Red) (Arenite (primarily Quartz, SiO2, with Iron Oxide cement)) — sedimentary

Sandstone (Red)

Arenite (primarily Quartz, SiO2, with Iron Oxide cement)

sedimentary
Bronzite (MgSiO3 (Enstatite with 10-30% FeSiO3 in solid solution)) — Mineral

Bronzite

MgSiO3 (Enstatite with 10-30% FeSiO3 in solid solution)

Mineral
Granite (Plutonic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Plutonic Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)

igneous
Greenstone with Quartz Veining (Epidiorite or Metabasalt with SiO2 (Quartz) veins) — metamorphic

Greenstone with Quartz Veining

Epidiorite or Metabasalt with SiO2 (Quartz) veins

metamorphic
Magnetite (Magnetite (Iron(II,III) oxide, Fe3O4)) — mineral

Magnetite

Magnetite (Iron(II,III) oxide, Fe3O4)

mineral
Granite / Gneiss Complex (Felsic Plutonic Rock (Granite) or High-grade Metamorphic Rock (Gneiss)) — igneous/metamorphic

Granite / Gneiss Complex

Felsic Plutonic Rock (Granite) or High-grade Metamorphic Rock (Gneiss)

igneous/metamorphic
Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

igneous
Granite (Intrusive igneous rock (SiO2 range 65-75%)) — igneous

Granite

Intrusive igneous rock (SiO2 range 65-75%)

igneous
Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

mineral
Quartz (specifically Milky or Clear Quartz fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

mineral
Yellow Chalcedony (common opal or chert variant) (Silicon Dioxide (SiO2)) — sedimentary (mineraloid/microcrystalline quartz)

Yellow Chalcedony (common opal or chert variant)

Silicon Dioxide (SiO2)

sedimentary (mineraloid/microcrystalline quartz)
Olivine in Basalt (Peridotite Xenolith) (Forsterite-rich Olivine (Mg2SiO4) in Aphanitic Basalt) — igneous

Olivine in Basalt (Peridotite Xenolith)

Forsterite-rich Olivine (Mg2SiO4) in Aphanitic Basalt

igneous
Labradorite (Labradorite, (Ca, Na)(Al, Si)4O8) — mineral

Labradorite

Labradorite, (Ca, Na)(Al, Si)4O8

mineral