Mineral In Metamorphic Rock

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Anthracite Coal

Anthracite (Carbon-rich metamorphic rock)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Marble (White)

Metamorphosed Limestone (mainly CaCO3)

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Slate

Slate (Foliated metamorphic rock consisting mainly of quartz and muscovite or illite)

Quartz / Quartzite

Silicon Dioxide (SiO2)

Quartzite (or Ferruginous Quartzite)

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 impurities)

Jade (Nephrite or Jadeite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)

Quartzite (Water-worn Cobble)

Quartzite (Composition: 90%+ SiO2)

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Graphite

Graphite (Carbon, C)

Milky Quartz

Silicon Dioxide (SiO2)

Rock Crystal Quartz

Quartz (SiO₂)

Quartz (Clear / Rock Crystal)

Silicon Dioxide (SiO2)

Mica Schist

Crystalline Schist (often primarily Muscovite or Biotite sheet silicates)

Banded Gneiss

Gneiss (pronounced "nice")

Muscovite Mica

Muscovite (KAl₂(AlSi₃O₁₀)(F,OH)₂))

Quartz Crystal (specifically Rock Crystal)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (Primary mineral: SiO2)

Marble

Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Veined Quartz

SiO2 (Silicon Dioxide)

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Marble

Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (Primary mineral: Silicon Dioxide, SiO2)

Garnet Schist

Almandine-Garnet Mica Schist

Serpentine

Serpentine-group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Rough Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Agate

Agate (Cryptocrystalline Variety of Quartz, SiO2)

Banded Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Biotite/Amphiboles)

Grey Slate

Foliated Metamorphic Rock (formed by low-grade regional metamorphism of shale or mudstone)

Blue Apatite

Apatite, Ca5(PO4)3(F,Cl,OH)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Banded Gneiss

Gneiss (High-grade metamorphic rock typically composed of Quartz, Feldspar, and Mica)

Quartzite

Quartzite (SiO2)

Quartz-veined Schist (or Metasandstone)

Metamorphic Rock with Quartz Veining (SiO2)