Metamorphic (Low Grade)

Smoky Quartz

Silicon Dioxide (SiO2)

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Clear Quartz

Silicon Dioxide (SiO2)

Anthracite

Anthracite Coal

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (predominantly Lazurite)

Quartzite

Quartzite (SiO2)

Marble (Carrara Marble style)

Recrystallized Calcite (CaCO3)

Quartzite

Quartzite (primarily SiO2)

Unakite (Epidotized Granite)

Epidotized Granite

Marble

Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)

Lapis Lazuli

Na8[Al6Si6O24]S2 (Lazurite component), a rock composed primarily of Lazurite, Calcite, and Pyrite

Marble

Recrystallized Calcite (CaCO3)

Rough Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Blue Quartzite

Quartzite with inclusions (SiO2)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Tiger Iron

Tiger Iron (A complex combination of Hematite Fe2O3, Red Jasper SiO2, and Tiger's Eye SiO2/FeOOH)

Prasiolite (Green Quartz)

Silicon Dioxide (SiO2) with iron impurities

Optical Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Quartz

Silicon Dioxide (SiO₂)

Aquamarine

Beryl (Be₃Al₂Si‑₆O₁₈)

Anthracite Coal

Anthracite (Carbon-rich metamorphic sedimentary rock)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Pyrite (Iron Pyrite)

Iron Sulfide (FeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Pink Quartzite

Quartzite (primarily SiO2)

Lapis Lazuli

Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Tiger Iron / Banded Iron Formation

Banded Iron Formation (SiO2 with Fe2O3 and FeOOH)

Quartzite

Quartzite (primarily SiO2)

Yellow Quartzite (River Cobble)

Quartzite (mainly SiO2)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Charoite

Charoite (Hydrated potassium, sodium, calcium, barium, strontium silicate hydroxide fluoride)

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Red Quartzite / Ferruginous Quartzite

Quartzite (primarily SiO2 with Fe2O3 inclusions)

Lapis Lazuli

Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)

Shungite

Non-crystalline carbon (Fullerenes)