Rock Identifier

Category

Igneous And Metamorphic

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

Learn about Igneous And Metamorphic in the encyclopedia

Carbonatite

Cordierite Hornfels

Cordierite Hornfels

Metabasalt

Eulysite

Migmatite

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Metagabbro

Blue Apatite (Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))

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

Hematite

Hematite (Iron(III) oxide, Fe2O3)

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

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

Milky Quartz Pebble with Iron staining

Silicon Dioxide (SiO2)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

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

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

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

Milky quartz

Quartz (silicon dioxide, SiO₂)

Milky quartz (Quartz (SiO₂), likely massive milky quartz) — mineral

Milky quartz

Quartz (SiO₂), likely massive milky quartz

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

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

White Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

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

Milky quartz

Quartz, silicon dioxide (SiO₂)

Chakra Tumbled Stone Set (Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)) — Mineral

Chakra Tumbled Stone Set

Various (including Amethyst [SiO2], Sodalite [Na8(Al6Si6O24)Cl2], Green Aventurine [SiO2], Red Jasper [SiO2], etc.)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Milky quartz

Quartz, silicon dioxide (SiO₂)

Weathered quartz-rich pebble (Milky quartz, chiefly silicon dioxide (SiO₂), possibly with iron-oxide staining and minor feldspar) — mineral

Weathered quartz-rich pebble

Milky quartz, chiefly silicon dioxide (SiO₂), possibly with iron-oxide staining and minor feldspar

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

River Pebble (Quartz-rich) (Silicon Dioxide (SiO2) with impurities) — sedimentary

River Pebble (Quartz-rich)

Silicon Dioxide (SiO2) with impurities

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Rainbow Moonstone (White Labradorite) (White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8)) — mineral

Rainbow Moonstone (White Labradorite)

White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Amethyst (Polished/Carved Crystal) (Silicon Dioxide (SiO2) with trace Iron (Fe)) — mineral

Amethyst (Polished/Carved Crystal)

Silicon Dioxide (SiO2) with trace Iron (Fe)

Prasiolite (Silicon Dioxide (SiO2)) — mineral

Prasiolite

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2) with aluminum impurities) — mineral

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities

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

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Amethyst (Faceted) (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst (Faceted)

Silicon Dioxide with Iron impurities (SiO2)

Chalcopyrite in Quartz (Gold Ore Matrix) (CuFeS2 (Chalcopyrite) with SiO2 (Quartz)) — mineral

Chalcopyrite in Quartz (Gold Ore Matrix)

CuFeS2 (Chalcopyrite) with SiO2 (Quartz)

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

Quartz (with Iron staining)

Silicon Dioxide (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Milky quartz (likely weathered quartzite or quartz vein fragment) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (likely weathered quartzite or quartz vein fragment)

Quartz, silicon dioxide (SiO₂)

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

Quartz (Citrine)

Silicon Dioxide (SiO2)

Sunstone and Garnet (Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8) and Almandine Garnet (Fe3Al2(SiO4)3)) — gemstone

Sunstone and Garnet

Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8) and Almandine Garnet (Fe3Al2(SiO4)3)

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

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

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Yellow Quartz (Citrinated Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrinated Quartz)

Silicon Dioxide (SiO2)

Milky quartz (quartz-rich rock) (Quartz, silicon dioxide (SiO₂); likely massive quartz with minor iron-stained impurities) — mineral

Milky quartz (quartz-rich rock)

Quartz, silicon dioxide (SiO₂); likely massive quartz with minor iron-stained impurities

Pink quartz (likely rose quartz) (Quartz, silicon dioxide (SiO₂), typically massive rose quartz colored by trace elements and microscopic inclusions) — mineral

Pink quartz (likely rose quartz)

Quartz, silicon dioxide (SiO₂), typically massive rose quartz colored by trace elements and microscopic inclusions

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Iron-Stained)

Silicon Dioxide (SiO2)

Tumbled and polished quartz crystal points (Quartz (silicon dioxide, SiO₂), chiefly rock crystal with smoky or included varieties) — mineral

Tumbled and polished quartz crystal points

Quartz (silicon dioxide, SiO₂), chiefly rock crystal with smoky or included varieties