Metamorphic (Pseudo Igneous)

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

Gneiss

High-grade regional metamorphic rock (Foliated)

Red Garnet (Pyrope or Almandine)

Magnesium aluminum silicate (Mg3Al2(SiO4)3) or Iron aluminum silicate (Fe3Al2(SiO4)3)

Epidote in Matrix (Dragon Stone variant)

Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))

Biotite Schist

Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Garnet (Almandine)

Almandine (Fe3Al2(SiO4)3)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Sapphire (Corundum variety)

Sapphire (Al₂O₃)

Magnetite

Magnetite (Fe3O4)

Gneiss

Gneissic Metamorphic Rock

Granitic Gneiss

Gneiss (Metamorphic Rock)

Unakite

Epidotized Granite

Lapis Lazuli

Tectosilicate (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2

Greenschist

Greenschist facies rock (containing chlorite, actinolite, and epidote)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green Quartz (Prasiolite/Adventurine)

Silicon Dioxide (SiO2) with inclusions

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Amethyst

Silicon Dioxide (SiO2) containing iron impurities

Citrine Quartz

Silicon Dioxide (SiO2) with ferric iron impurities

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Muscovite Mica (on Quartz Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Sugilite

KNa2(Fe,Mn,Al)2Li3Si12O30 (Potassium Sodium Lithium Iron Manganese Aluminum Silicate)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Rough Sapphire

Corundum (Al2O3)

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Clear Quartz / Rock Crystal

Silicon Dioxide (SiO2)

Citrine Quartz

Crystalline Quartz (SiO2 with iron impurities)

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (SiO2: Silicon Dioxide)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)