Quartzite
Quartzite (SiO2)
metamorphic
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Unakite
Epidotized Granite
metamorphic
Schist (specifically Mica Schist)
Mica Schist
metamorphic
Graphite Schist
C (Carbonaceous Schist)
metamorphic
Garnet-Bearing Schist
Almandine Garnet Micaceous Schist
metamorphic
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2
metamorphic
Quartz (Milky/Crystalline)
Silicon Dioxide (SiO2)
mineral
Yellow Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Schist
Mica Schist
metamorphic
Mica Schist
Muscovite Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Quartzite and Jasper Pebbles
Quartzite (re-crystallized Quartz) and Cryptocrystalline Quartz (SiO2)
metamorphic
White Marble (Whiskey Stone)
Recrystallized Calcite / Marble (CaCO3)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Soapstone
Steatite (primarily Talc, Mg3Si4O10(OH)2)
metamorphic
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Marble
Recrystallized Calcite (CaCO3) Rock
metamorphic
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
metamorphic
Pink Quartz (Inclusion-rich Quartzite)
SiO2 (Silicon Dioxide) with Iron Oxide / Hematite inclusions
metamorphic
Anthracite Coal
Anthracite
metamorphic
Pink Granite
Phaneritic Igneous Rock (high K-feldspar content)
igneous
Fuchsite Quartzite (Green Quartzite)
Fuchsite-bearing Quartzite (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)
metamorphic
Emerald
Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.
Mineral
Raw Emerald in Schist Matrix
Beryl (Be3Al2Si6O18) in Mica Schist
Mineral in Metamorphic Rock
Quartzite
Quartzite (primarily SiO2)
metamorphic
Lapis Lazuli
Complex rock primarily of Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2), with Pyrite and Calcite
metamorphic
Marble
Recrystallized Calcite Rock (CaCO3)
metamorphic
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Yellow Quartzite
Quartzite (primarily SiO2)
metamorphic
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Lapis Lazuli (Simulated)
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic