Metamorphic Or Igneous (Context Dependent)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Pyrite

Iron Sulfide (FeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Hypersthene

Enstatite (Hypersthene variety), (Mg,Fe)SiO3

Green Calcite

Calcium Carbonate (CaCO3)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO₂)

Milky Quartz (Ferruginous variety)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Labradorite (Dark or Black variety)

Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8

Quartz

Silicon Dioxide (SiO2)

Peach Moonstone (Orange/Peach Feldspar)

Potassium aluminum silicate (KAlSi3O8)

Smoky Quartz

Silicon Dioxide (SiO2)

Raw Corundum (Sapphire/Ruby variant)

Aluminum oxide (Al2O3)

Tourmaline (Multi-colored)

Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Moonstone (Feldspar)

Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Black Sand (Magnetite Sand)

Magnetite (Fe3O4)

Pyrite

Iron Sulfide (FeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Yellow Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Chalcopyrite in Matrix

Chalcopyrite (CuFeS2)

Gneiss

Gneissic Metamorphic Rock

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Pyrite

Iron Sulfide (FeS2)

Pyrite

Iron Sulfide (FeS2)

Peacock Ore (Chalcopyrite)

Chalcopyrite (CuFeS2)

Chalcopyrite

Copper Iron Sulfide (CuFeS2)

Amber in Matrix

Succinite (Carbon-based organic polymer)

Limonite (Hydrated Iron Oxide / Bog Iron)

FeO(OH)·nH2O

Granitic Gneiss

Gneiss (Metamorphic Rock)