Rock Identifier

Category

Igneous, Sedimentary, And Metamorphic

Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.

Learn about Igneous, Sedimentary, And Metamorphic in the encyclopedia

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Cordierite Hornfels

Cordierite Hornfels

Migmatite

Migmatite

Hornblende Schist

Hornblende Schist

Goldmanite

Goldmanite

Feruvite

Feruvite

Andesine

Andesine

Andesite

Andesite

Andalusite

Andalusite

Andamooka Opal

Andamooka Opal

Andradite Garnet

Andradite Garnet

Andesine-Labradorite

Andesine-Labradorite

Carbonatite

Carbonatite

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Mica (Phyllosilicate group (e.g., Biotite or Muscovite)) — mineral

Mica

Phyllosilicate group (e.g., Biotite or Muscovite)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

mineral
Feldspar (Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)) — mineral

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

mineral
Citrine (Silicon dioxide (Quartz variety), SiO2) — gemstone

Citrine

Silicon dioxide (Quartz variety), SiO2

gemstone
Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

mineral
Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

mineral
Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

mineral
Small dark metallic-looking mineral grain, possibly magnetite (Magnetite (Fe₃O₄), tentative identification) — mineral

Small dark metallic-looking mineral grain, possibly magnetite

Magnetite (Fe₃O₄), tentative identification

mineral
Pyrite (Iron sulfide (FeS2)) — mineral

Pyrite

Iron sulfide (FeS2)

mineral
Fluorescent Calcite (Calcite (CaCO3)) — mineral

Fluorescent Calcite

Calcite (CaCO3)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

gemstone
Quartz (Raw Specimen) (Silicon Dioxide (SiO2)) — mineral

Quartz (Raw Specimen)

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Pebble)

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Rock Crystal) Bracelet (Silicon Dioxide (SiO2)) — gemstone

Clear Quartz (Rock Crystal) Bracelet

Silicon Dioxide (SiO2)

gemstone
Quartz (Pink / Ferruginous) (Silicon Dioxide (SiO2)) — mineral

Quartz (Pink / Ferruginous)

Silicon Dioxide (SiO2)

mineral
Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

mineral
Blue Quartz (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

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

Yellow Calcite

Calcium Carbonate (CaCO3)

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

White Quartz

Silicon Dioxide (SiO2)

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

Quartz Crystal

Silicon Dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Blue Quartz (Silicon Dioxide (SiO2) with inclusions) — mineral

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

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

White Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Magnetic Sand Grain / Magnetite Pellet (Magnetite (Fe3O4)) — mineral

Magnetic Sand Grain / Magnetite Pellet

Magnetite (Fe3O4)

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

Clear Quartz Crystal

Silicon Dioxide (SiO2)

mineral