Quartzite
Quartzite (SiO2)
metamorphic
Category
Metamorphic (Modified)
Browse metamorphic (modified) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
metamorphic
Unakite
Epidotized Granite
metamorphic
Unakite Gneiss
Metasomatic Granitoid (variety Unakite)
metamorphic
Serpentine (Green Jasper variety)
Antigorite/Chrysotile, Mg3Si2O5(OH)4
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (with iron staining)
Gneiss
metamorphic
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Marble
Recrystallized Carbonate Rock (CaCO3)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Greenstone
Metabasalt / Metamorphosed Igneous Rock
metamorphic
Iron-Stained Quartzite
Quartzite (chemically SiO2 with Fe2O3/FeO(OH) staining)
metamorphic
Unakite
Epidotized Granite
metamorphic
Shatter Cone (Impactite)
Shock-metamorphosed rock
metamorphic
Anthracite Coal
Anthracite coal (Carbon)
metamorphic
Ruby Zoisite
Anyolite (Calcium aluminium silicate with Chromium/Corundum inclusions)
metamorphic
Yellow Aventurine
Silicon Dioxide (Quartz with inclusions of Mica or Pyrite), SiO2
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (SiO2 silicon dioxide)
metamorphic
Quartzite Pebble
Quartzite (principally SiO2)
metamorphic
Quartzite with inclusions
Quartzite (SiO2)
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Gneiss (Gneissic Granite)
Gneiss
metamorphic
Lapis Lazuli
Lapis Lazuli (Complex rock consisting primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2)
metamorphic
Anthracite Coal
Anthracite
metamorphic
Anthracite Coal
Anthracite
metamorphic
Quartzite
Quartzite (containing SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Aventurine
Silicon Dioxide (SiO2) with inclusions
metamorphic
Quartzite
Quartzite (composed primarily of Silica, SiO2)
metamorphic
Garnet Gneiss
Gneiss containing almandine-pyrope garnet
metamorphic
Greenschist
Greenschist (Chlorite-Epidote-Actinolite Schist)
metamorphic
Tiffany Stone
Bertrandite-Bearing Fluorite Hyalite Opal
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic