Metamorphic Or Igneous

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Quartz

Silicon Dioxide (SiO2)

Blue Apatite

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

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Citrine Quartz

Silicon Dioxide (SiO2)

Chalcopyrite

Chalcopyrite (CuFeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Hypersthene

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

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Quartz (Small Fragment)

Silicon Dioxide (SiO2)

Muscovite Mica

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

Quartz (Citrine or Iron-Stained)

Silicon Dioxide (SiO2)

Green Calcite

Calcium Carbonate (CaCO3)

Clear Quartz

Silicon Dioxide (SiO2)

Sodalite

Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Pyrite

Iron Sulfide (FeS2)

Pyrite in Quartzite/Graphite Matrix

Iron Sulfide (FeS2)

Sodalite

Sodalite Na8(Al6Si6O24)Cl2

Smoky Quartz

Silicon Dioxide (SiO₂)

Smoky Quartz

Silicon Dioxide (SiO2)

Corundum (Sapphire and Ruby)

Aluminum Oxide (Al2O3)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Milky Quartz (Ferruginous variety)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Labradorite (Dark or Black variety)

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

Quartz (Clear or Cloudy)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Peach Moonstone (Orange/Peach Feldspar)

Potassium aluminum silicate (KAlSi3O8)

Quartz

Silicon Dioxide (SiO2)

Raw Corundum (Sapphire/Ruby variant)

Aluminum oxide (Al2O3)

Smoky Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)