Banded Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)
Category
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
Banded Gneiss
Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Plagioclase Feldspar
Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
Yellow Sapphire
Corundum (Al2O3 with trace amounts of iron)
Green Tourmaline
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
Vesicular volcanic rock, possibly weathered basalt or scoria
Basaltic scoria/vesicular basalt; predominantly plagioclase, pyroxene, and iron-titanium oxides
Rounded basalt pebble
Basalt; fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with minor olivine or magnetite
Granite
Plutonic felsic igneous rock
Granite
Phaneritic plutonic rock (SiO2-rich)
Granite
Plutonic felsic igneous rock
Granite
Granite (Felsic Plutonic Rock)
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
Limestone with Fossil Inclusion
Sedimentary Calcium Carbonate (CaCO3)
Granite
Phaneritic Felsic Igneous Rock
Biotite Schist
Biotite Mica Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
Quartzite
Metamorphosed Quartz Sandstone
Quartzite pebble
Quartzite (Silicon Dioxide, SiO2)
Quartzite with Iron Inclusions
Quartzite (SiO2)
Quartzite
Quartzite (Silicon Dioxide, SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (mostly SiO2)
Eclogite
Eclogite (omphacite-garnet rock)
Quartzite
Quartzite (chiefly SiO2)
Quartzite Cobble
Quartzite (principally SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (mostly SiO2)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (predominantly Silicon Dioxide, SiO2)
Quartzite (Milky or Cloudy Quartz variant)
Silicon Dioxide (SiO2)
Eclogite (retrograded)
Eclogite (Omphacite-Garnet rock)
Quartzite
Quartzite (mainly SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)