Quartz-veined Granite or Gneiss Pebble
Silicate-rich metamorphic rock fragment
metamorphic
Category
Metamorphic Rock
Browse metamorphic rock specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock in the encyclopedia
View all →
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartzite (River Cobble)
SiO2 (Quartz-rich Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (SiO2 enriched metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Biotite-bearing gneiss or schist
Quartz–feldspar–biotite metamorphic rock
metamorphic
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Gneiss
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Quartzite
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Slate / Greenschist
Foliated Metamorphic Rock (Greenschist/Slate)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-Grade Metamorphic Rock)
metamorphic
Quartzite Pebble
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Quartzite Pebble
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Quartz-Mica Schist (with Muscovite)
Metamorphic Rock (Quartz, Muscovite, Feldspar)
metamorphic
Quartzite
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartzite
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Quartzite
Metamorphic Rock (composed mainly of SiO2)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartzite
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Quartzite Cobble
Quartzite (SiO2 based metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Anthracite Coal
Anthracite (Carbon-based metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneis
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartzite pebble
Metamorphic rock dominated by SiO2 (Quartz)
metamorphic
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartzite (River Cobble)
Metamorphic Rock (composed predominantly of SiO2)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Lapis Lazuli
Lazurite-dominated contact metamorphic rock
metamorphic
Anthracite Coal
Anthracite (Carbon-based metamorphic rock)
metamorphic
Quartzite
Quartzite (SiO2-rich metamorphic rock)
metamorphic
Quartz-veined Schist (or Metasandstone)
Metamorphic Rock with Quartz Veining (SiO2)
metamorphic