Quartzite
Hydrothermal Quartz or Quartzite (SiO2)
metamorphic
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Learn about Metamorphic Mineral in the encyclopedia
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Quartz (Yellow/Tan Quartzite Pebble)
Silicon Dioxide (SiO2)
metamorphic
Lapis Lazuli
Sodalite-rich metamorphic rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Greenstone
Metabasalt (composed mainly of chlorite, epidote, and actinolite)
metamorphic
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Gneiss (Schistose)
Gneiss
metamorphic
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Mineral
Serpentinite
Serpentinite
metamorphic
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Garnet
Almandine formula: Fe3Al2(SiO4)3
mineral
Marble
Recrystallized Carbonate Rock (CaCO3)
metamorphic
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18 with trace Fe2+)
Mineral
Quartzite with Gneissic Banding
Quartzite (primarily SiO2) with mafic mineral inclusions
metamorphic
Schist
Crystalline Metamorphic Rock (Schistose)
metamorphic
Dragon Blood Jasper (Epidote with Piedmontite or Quartz)
Epidote-rich Quartzite / SiO2 with (Ca2(Al2,Fe)(Si2O7)(SiO4)O(OH))
metamorphic
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
metamorphic
Ruby in Zoisite
Anyolite (combination of Ca2Al3(SiO4)3(OH) and Al2O3:Cr)
metamorphic
Serpentine Jade (New Jade/Olive Jade)
Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite
Mineral
Schist
Mica Schist (predominantly Muscovite/Biotite)
metamorphic
Nephrite Jade
Nephrite
Mineral/Rock
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist (Complex Silicate Rock)
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Green Tourmaline (Verdelite)
Schorl-Elbaite series (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Marble
Recrystallized Calcite / Metamorphosed Limestone (CaCO3)
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Slate
Foliated Metamorphic Rock (primarily clay minerals and micas)
metamorphic
Schist
Crystalline Schist (often containing Muscovite, Biotte, or Quartz)
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
mineral
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral