Rock Identifier

Category

Igneous, Sedimentary, Metamorphic

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

Learn about Igneous, Sedimentary, Metamorphic in the encyclopedia

Cordierite Hornfels

Cordierite Hornfels

Migmatite

Hornblende Schist

Hornblende Schist

Goldmanite

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Mica

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

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

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

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

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

Citrine

Silicon dioxide (Quartz variety), SiO2

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

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

Small quartz crystal fragment (Quartz, SiO₂) — mineral

Small quartz crystal fragment

Quartz, SiO₂

Pyrite (Iron sulfide (FeS2)) — mineral

Pyrite

Iron sulfide (FeS2)

Fluorescent Calcite (Calcite (CaCO3)) — mineral

Fluorescent Calcite

Calcite (CaCO3)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Quartz (Raw Specimen)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Quartz (Pebble)

Silicon Dioxide (SiO2)

Gravel / Small Pebble (Rock Fragment (Gravel)) — sedimentary

Gravel / Small Pebble

Rock Fragment (Gravel)

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

Clear Quartz (Rock Crystal) Bracelet

Silicon Dioxide (SiO2)

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

Quartz (Pink / Ferruginous)

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

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

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Mixed Rock Collection (Pebbles and Stones) (Various geological specimens) — igneous, sedimentary, and metamorphic

Mixed Rock Collection (Pebbles and Stones)

Various geological specimens

igneous, sedimentary, and metamorphic

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Blue Quartz

Silicon Dioxide (SiO2) with inclusions

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)