Metamorphic Rock (Variety Of Quartz)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green Quartzite (with Fuchsite)

Quartzite with Muscovite variety Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)

Quartzite

Quartzite (SiO2)

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Quartz

Quartz (SiO₂)

Orange Quartzite / Carnelian Agate

Silicon Dioxide (SiO2)

Gneiss

Gneiss (a metamorphic rock)

Dyed Pink Quartzite (Jadeite Simulant)

Silicon Dioxide (SiO2) with organic dye

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO₂)

Red Tiger's Eye

Silicified Crocidolite (Quartz pseudo-morph after Crocidolite), SiO2

Rose Quartz

Rose Quartz (SiO2)

Quartz (Quartzite fragment)

Silicon Dioxide (SiO2)

Quartz

Silicon dioxide (SiO2)

River Pebbles and Quartz

Mixed Igneous, Sedimentary, and Metamorphic Rocks (Silicon Dioxide SiO2 dominant)

Quartz

Quartz (SiO₂)

Quartz Geode/Cluster

Quartz (SiO2)

Quartzite

Quartzite (SiO2)

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Quartz (likely a clear or rock crystal variety)

Quartz (SiO2 - Silicon Dioxide)

Quartz (Milky/Smoky variety on matrix)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz

Quartz (SiO₂)

Milky Quartz

Silicon Dioxide (SiO2)

Prasiolite and Quartz Crystal Cluster

Quartz (SiO2); Prasiolite is a variety of Quartz

Veined Quartz

SiO2 (Silicon Dioxide)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂)

Quartzite

Quartzite (primarily SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Amethyst

SiO2 (Silicon Dioxide)

Jasper and Quartz River Cobble

Silicon Dioxide (SiO2) with Hematite inclusions

Dragon Blood Jasper

Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))

Quartz

Quartz (Silicon Dioxide, SiO2)

Smoky Quartz

SiO2 (Silicon Dioxide)

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Tiger's Eye

Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)