Rock Identifier

Category

Igneous Or Metamorphic

Browse igneous or metamorphic specimens identified by the Rock Identifier community.

Learn about Igneous Or Metamorphic in the encyclopedia

Carbonatite

Cordierite Hornfels

Cordierite Hornfels

Metabasalt

Eulysite

Migmatite

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Metagabbro

Smoky Quartz (Smoky Quartz (Silicon Dioxide, SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Milky quartz (white quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (white quartz)

Quartz, silicon dioxide (SiO₂)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Tumbled milky quartz (likely) (Quartz, silicon dioxide (SiO₂)) — mineral

Tumbled milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

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

Labradorite (Carved)

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

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

Quartz Pebble (Grit)

Silicon Dioxide (SiO2)

Red Jasper / Carnelian Chalcedony (SiO2 (Silicon Dioxide with Iron Oxide inclusions)) — gemstone

Red Jasper / Carnelian Chalcedony

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Likely milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Likely milky quartz

Quartz (silicon dioxide, SiO₂)

Likely milky quartz crystal fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Likely milky quartz crystal fragment

Quartz (silicon dioxide, SiO₂)

Milky quartz (Quartz (SiO₂)) — mineral

Milky quartz

Quartz (SiO₂)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Clear quartz crystal (tentative) (Quartz, silicon dioxide (SiO₂)) — mineral

Clear quartz crystal (tentative)

Quartz, silicon dioxide (SiO₂)

Likely milky quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Likely milky quartz fragment

Quartz (silicon dioxide, SiO₂)

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

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2) with Limonite/Goethite

Golden Calcite (Calcium Carbonate (CaCO3)) — mineral

Golden Calcite

Calcium Carbonate (CaCO3)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz in Siltstone or Feldspar (Silicon Dioxide (SiO2)) — mineral

Milky Quartz in Siltstone or Feldspar

Silicon Dioxide (SiO2)

Honey Calcite (Calcium Carbonate (CaCO3)) — mineral

Honey Calcite

Calcium Carbonate (CaCO3)

Likely polished dark metallic mineral specimen (Indeterminate from image; possibly hematite, magnetite, or galena) — mineral

Likely polished dark metallic mineral specimen

Indeterminate from image; possibly hematite, magnetite, or galena

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Peach Moonstone (Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)) — mineral

Peach Moonstone

Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)

Moonstone (Tumbled) (Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite) — mineral

Moonstone (Tumbled)

Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Polished Hematite Tower (Hematite (Fe2O3)) — mineral

Polished Hematite Tower

Hematite (Fe2O3)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine (Crystalline Quartz (SiO2) with iron impurities) — mineral

Citrine

Crystalline Quartz (SiO2) with iron impurities

Quartz Mineral (Silicon Dioxide (SiO2)) — mineral

Quartz Mineral

Silicon Dioxide (SiO2)

Amethyst (Variety of Quartz) (Silicon Dioxide (SiO2)) — mineral

Amethyst (Variety of Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Amethyst (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst

Amethyst (Silicon Dioxide, SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz with Iron Stains (Silicon Dioxide (SiO2) with FeOx inclusions) — mineral

Quartz with Iron Stains

Silicon Dioxide (SiO2) with FeOx inclusions

Peach Moonstone (Potassium Aluminum Silicate, KAlSi3O8) — mineral

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)