Mineral Simulant (Synthetic Glass)

Quartz / Rock Crystal

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz (Ferruginous Quartz)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Herkimer Diamond variant)

Silicon Dioxide (SiO2)

Adventurine (Green)

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Jasper (likely Brecciated or Multi-colored)

Jasper (SiO2)

Yellow Quartz / Quartzite Pebble

Silicon Dioxide (SiO2)

Quartz (specifically Milky or Clear Chunk)

Silicon Dioxide (SiO2)

Granite

Phaneritic Plutonic Rock (High Silica content)

Chert with Quartz/Calcite Vein

Microcrystalline Silica (SiO2)

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (river pebble)

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Orbicular Jasper (Ocean Jasper variant)

Silicon Dioxide (SiO2) with iron oxide inclusions

Beach Agate (Chalcedony)

Silicon Dioxide (SiO2)

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Ferrosilicon Slag (Industrial Vitrified Glass)

Vitreous Silicate Residue

Smoky Quartz

Quartz (Silicon Dioxide) - SiO2

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Granite

Granite (Felsic Plutonic Rock)

Sandstone (Quartzite-rich Pebble)

Arenite (composed primarily of SiO2)

Chert (Chert Pebble)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (with Quartz Veining)

Microcrystalline Quartz (SiO2)

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Amber

Succinite (fossilized tree resin)

Jasper with Dendritic Inclusions

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Epidote (Unakite-related)

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

Quartz with Muscovite Mica

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)

Obsidian

Volcanic Glass (comprised primarily of SiO2)

Clear Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz with Iron Staining

Silicon Dioxide (SiO2) with FeOx inclusions

Rose Quartz Druzy

Silicon Dioxide (SiO2)

Beryl (Emerald or Aquamarine in Matrix)

Beryllium Aluminum Silicate (Be3Al2Si6O18)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

White Quartz Sphere

Silicon Dioxide (SiO2)

Quartzite

Quartzite (Primary mineral: Quartz, SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)