Rock Identifier

Category

Mineral In Igneous Rock

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

Granite (Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)) — igneous

Granite

Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)

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

Granite

Granite (Phaneritic intrusive igneous rock)

igneous
Grey Granite (Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Grey Granite

Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)

igneous
Red Scoria (Lava Rock) (Scoria (Vesicular Basalt/Andesite)) — igneous

Red Scoria (Lava Rock)

Scoria (Vesicular Basalt/Andesite)

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

Quartz (Milky/Clear Quartz)

Silicon Dioxide (SiO2)

mineral
Granitic Pegmatite (Pegmatite) — igneous

Granitic Pegmatite

Pegmatite

igneous
Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

mineral
Corundum (Corundum (Al2O3)) — Mineral

Corundum

Corundum (Al2O3)

Mineral
Green Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Quartz Crystal (Quartz (SiO₂)) — Mineral

Quartz Crystal

Quartz (SiO₂)

Mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Mineral
Garnet Beads (Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)) — Mineral

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Mineral
Quartz (Smoky/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

mineral
Hematite (Iron (III) Oxide, Fe2O3) — Mineral

Hematite

Iron (III) Oxide, Fe2O3

Mineral
Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety) (Porphyritic Basalt containing Plagioclase Feldspar phenocrysts) — igneous

Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety)

Porphyritic Basalt containing Plagioclase Feldspar phenocrysts

igneous
Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Quartz (pebble) (Quartz (SiO₂)) — Mineral

Quartz (pebble)

Quartz (SiO₂)

Mineral
Basalt River Stone (Tumbled) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt River Stone (Tumbled)

Basalt (Mafic Extrusive Igneous Rock)

igneous
Basalt (Basalt (Mafic Aphanitic Igneous Rock)) — igneous

Basalt

Basalt (Mafic Aphanitic Igneous Rock)

igneous
Granite Pebble (Granite (Phaneritic Acidic Igneous Rock)) — igneous

Granite Pebble

Granite (Phaneritic Acidic Igneous Rock)

igneous
Quartz (Common or Milky) (Silicon Dioxide (SiO2)) — mineral

Quartz (Common or Milky)

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Citrine appearance) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine appearance)

Silicon Dioxide (SiO2)

mineral
Quartz (Gray/Smoky Varieties) (Silicon Dioxide (SiO2)) — mineral

Quartz (Gray/Smoky Varieties)

Silicon Dioxide (SiO2)

mineral
Limonite-stained Granite (Felsic Plutonic Rock with Hydrated Iron Oxides) — igneous

Limonite-stained Granite

Felsic Plutonic Rock with Hydrated Iron Oxides

igneous
Quartz (Milky/Gray variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Gray variety)

Silicon Dioxide (SiO2)

mineral
Basalt (Water-worn pebble) (Mafic Igneous Rock (primarily Plagioclase feldspar and Pyroxene)) — igneous

Basalt (Water-worn pebble)

Mafic Igneous Rock (primarily Plagioclase feldspar and Pyroxene)

igneous
Clear Quartz (Rock Crystal) (Quartz (SiO₂)) — Mineral

Clear Quartz (Rock Crystal)

Quartz (SiO₂)

Mineral
Fluorite (Rainbow Fluorite Point) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Rainbow Fluorite Point)

Calcium Fluoride (CaF2)

mineral
Basalt (Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)) — igneous

Basalt

Mafic volcanic rock (primarily plagioclase feldspar and pyroxene)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

mineral
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

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

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

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

Quartz (specifically Milky or Clear Quartz)

Silicon Dioxide (SiO2)

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

Clear Quartz Crystal

Silicon Dioxide (SiO2)

mineral
Granite (specifically Pink Granite) (Phaneritic Plutonic Rock (High Potassium Feldspar Granite)) — igneous

Granite (specifically Pink Granite)

Phaneritic Plutonic Rock (High Potassium Feldspar Granite)

igneous
Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

mineral
Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

mineral
Yellow Aventurine (Quartz (Silicon Dioxide) with Mica inclusions (SiO2)) — mineral

Yellow Aventurine

Quartz (Silicon Dioxide) with Mica inclusions (SiO2)

mineral