Man Made Mineral Simulant (Glass)

Milky Quartz

Silicon Dioxide (SiO2)

Citrine

Silicon Dioxide (SiO2)

Quartz Pebble (with Mica or Iron staining)

Silicon Dioxide (SiO2)

Obsidian

Volcanic Glass (predominantly SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Granite (River Pebble)

Phaneritic intrusive igneous rock (Felsic)

Rose Quartz

Quartz (SiO₂), specifically a variety of Quartz

Chert / Flint

Chert (Silicon Dioxide, SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Quartz (specifically Milky Quartz Pebble)

Silicon Dioxide (SiO2)

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Green Aventurine (Propably a tumbled variety)

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Inclusions

Silicon Dioxide (SiO2)

Muscovite Mica

KAl2(AlSi3O10)(F,OH)2

Smoky Quartz (Faceted Beads)

Silicon Dioxide (SiO2)

Quartz (specifically Clear Quartz or Rock Crystal)

Silicon Dioxide (SiO2)

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Diamond (or Lab-Grown Cubic Zirconia)

Carbon (C)

Milky Quartz with inclusions

Quartz (Silicon Dioxide, SiO2)

Quartzite

Quartzite (primarily SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Iron-stained Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3/FeO(OH))

Sandstone (likely Graywacke or Arkosic varieties)

Arenite (composed primarily of SiO2)

Muscovite Mica (in Quartz/Feldspar Matrix)

Muscovite - KAl2(AlSi3O10)(OH)2

Muscovite

Muscovite (KAl2(AlSi3O10)(OH)2)

Mica (Muscovite)

Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2

Quartz (Chert/Chalcedony Variety)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))

Clear Quartz

Silicon Dioxide (SiO2)

Blue Apatite

Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))

Green Aventurine

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

Mahogany Obsidian

Volcanic Glass with Hematite inclusions (SiO2 + Fe2O3)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Mica in Quartz Host

Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Red aventurine

Silicon Dioxide (SiO2) with Hematite or Goethite inclusions