River Pebble (Gneiss or Granite)
Metamorphic Rock (likely Gneiss or Granitic composition)
metamorphic
Category
Igneous, Sedimentary, And Metamorphic Mix
Browse igneous, sedimentary, and metamorphic mix specimens identified by the Rock Identifier community.
Granitic Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (Gneissic Granite)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Gneiss (specifically a water-worn pebble)
Gneiss
metamorphic
Banded Gneiss
Gneiss (complex metamorphic silicate rock)
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Gneiss
Foliated Metamorphic Rock
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
Sapphire
Corundum (Al2O3)
mineral
Sand (Construction Grade)
Unconsolidated siliciclastic sediment (primarily SiO2)
sedimentary
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Quartz Chip
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Smoky)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral