Mineral (Metamorphic Pseudomorph)

Lapis Lazuli

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

Lapis Lazuli

Lazurite-dominant Metamorphic Rock (complex aluminosilicate)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Schist

Mica Schist (primarily Muscovite and Quartz)

Mica Schist

Mica Schist (primarily Muscovite and Biotite phyllosilicates)

Jade (Jadeite/Nephrite)

NaAlSi2O6 (Jadeite) / Ca2(Mg,Fe)5Si8O22(OH)2 (Nephrite)

Emerald

Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.

Sapphire (Corundum variety)

Sapphire (Al₂O₃)

Chalcopyrite

Chalcopyrite (CuFeS2)

Jade (Nephrite or Jadeite)

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

Sugilite

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

Quartz (Quarzite or Massive Quartz vein)

Silicon Dioxide (SiO2)

Lapis Lazuli

Complex mixture of minerals (lazurite, calcite, pyrite, and sodalite); (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Green Aventurine (Green Quartzite)

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Gneiss

High-grade regional metamorphic rock (Foliated)

Rough Citrine Quartz

Citrine (Silicon Dioxide, SiO2 with iron impurities)

Biotite Mica

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

Mica Schist with Iron Staining

Mica Schist

Quartz (Clear Quartz)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green Aventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Milky Quartz with Iron Inclusions

Quartz (Silicon Dioxide, SiO2)

Milky Quartz in Matrix

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

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

Green Aventurine

SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)

Labradorite

Labradorite (Ca, Na)(Al, Si)4O8

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Blue Kyanite

Kyanite (Al2SiO5)

Rough Sapphire

Corundum (Al2O3)

Smoky 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)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)