Mineral (Found In Igneous And Metamorphic Rocks)

Mica (specimen appears to be Muscovite or Phlogopite)

Phyllosilicate mineral; Muscovite: KAl2(AlSi3O10)(F,OH)2

Blue Apatite

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

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Citrine

Silicon dioxide (SiO2)

Peacock Ore

Bornite (Cu5FeS4)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Native Gold (in Jewelry)

Gold (Au)

Mica

Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Blue Calcite

Calcium Carbonate (CaCO3)

Smoky Quartz

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Biotite on Matrix

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

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Hypersthene

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

Bornite

Bornite (Cu5FeS4)

Smoky Quartz

Silicon Dioxide (SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Peach Moonstone

Orthoclase Feldspar (KAlSi3O8)

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO₂)

Quartz Pebble

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Peach Moonstone

Potassium Aluminum Silicate, KAlSi3O8

Smoky Quartz

Silicon Dioxide (SiO2)

Muscovite Mica

Muscovite / KAl2(AlSi3O10)(OH)2

Smoky Quartz

Quartz (Silicon Dioxide) - SiO2

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Yellow/Citrine variety)

Crystalline Silicon Dioxide (SiO2)

Hypersthene

Hypersthene (formula: (Mg,Fe)SiO3)

Smoky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Yellow Quartz / Citrine Quartz

Silicon Dioxide (SiO2)