Mineral (Found In Igneous And Metamorphic Rocks)

Smoky Quartz

Smoky Quartz (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8)

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8)

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Rainbow Moonstone with Black Tourmaline

White Labradorite (Feldspar variety, (Na,Ca)(Al,Si)4O8) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Strawberry Quartz

Quartz with Hematite inclusions (SiO2 + Fe2O3)

Smoky Quartz

Silicon Dioxide (SiO2)

Moonstone (Feldspar)

Orthoclase feldspar, (K,Na)AlSi3O8

Smoky Quartz (Rough Specimen)

Silicon Dioxide (SiO2)

Milky Quartz (Water-worn Pebble)

Quartz (Silicon Dioxide) - SiO2

Blue Calcite

Calcium Carbonate (CaCO3)

Smoky Quartz

Silicon Dioxide (SiO2)

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

Biotite Mica

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

Orange Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Smoky Quartz

Smoky Quartz (Silicon Dioxide - SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Moonstone

Orthoclase Feldspar (formula: (K,Na)AlSi3O8)

Citrine

Citrine (Silicon Dioxide, SiO2)

Citrine

Silicon dioxide (SiO2)

Yellow Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Yellow Quartz

Silicon Dioxide (SiO2)

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Moonstone (Blue Flash)

Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar

Yellow Quartz (Citrine appearance)

Silicon Dioxide (SiO2)

Pyrite

Iron Sulfide (FeS2)

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2) with aluminum impurities and natural radiation

Moonstone

Orthoclase (KAlSi3O8), specifically the variety showing adularescence

Yellow Quartz (Citrine/Gold Quartz)

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Yellow Quartz (or Citrine Quartz)

Silicon Dioxide (SiO2)

Biotite Mica

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

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

Moonstone (specifically Cat's Eye or Gray Moonstone)

Orthoclase (Potassium Aluminum Silicate) with the formula (K,Na)AlSi3O8