Metamorphic Rock

Quartzite Pebble

Quartzite (primarily SiO2)

Serpentine

Serpentine Group (primarily Antigorite or Lizardite), Mg3Si2O5(OH)4

Mica Schist (with Garnet)

Garnet-Mica Schist

Moonstone (Tumbled)

Potassium Aluminum Silicate (KAlSi3O8) with inclusions of Albite

Serpentine

Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4

Blue Kyanite

Kyanite (Al2SiO5)

Quartzite

Quartzite (primarily SiO2)

Biotite Schist with Garnet

Garnet-Biotite Schist

Banded River Cobble with Mafic Dike

Hydrothermally altered Graywacke or Sandstone with Mafic Intrusion

River Pebble (Quartzite or Chert)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (composed primarily of SiO2)

Aventurine

Quartzite with inclusions (SiO2 containing Fuchsite chrome mica)

Quartzite Pebble

Quartzite (SiO2)

Quartzite

Quartzite (composed primarily of Silica, SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (composed primarily of Quartz, SiO2)

Quartzite

Quartzite (SiO2)

Ruby in Fuchsite (often confused with Ruby in Zoisite)

Corundum (Al2O3) in Chromium-rich Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite

Quartzite (Silicon Dioxide, SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Dyed Pink Quartzite (Jadeite Simulant)

Silicon Dioxide (SiO2) with organic dye

Quartzite with Iron Mineral Banding

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) staining

Milky Quartz

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Lizardite, Chrysotile, Antigorite)

Quartzite

Quartzite (SiO2)

Unakite

Unakite (metasomatized granite)

Serpentine (Serpentinite)

Antigorite, Lizardite, or Chrysotile; (Mg,Fe)3Si2O5(OH)4

Quartzite

Quartzite (primarily SiO2)

Unakite

Unakite-Epidote Granite

Serpentine

Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4

Quartzite

Quartzite (primarily SiO2)

Unakite

Unakite (Epidotized Granite)

Quartzite

Quartzite (SiO2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Unakite

Unakite (Episyenite composition: Feldspar, Epidote, and Quartz)

Unakite

Epidotized Granite

Quartzite with Garnet

Garnetiferous Quartzite (SiO2 + X3Y2(SiO4)3)

Red Quartzite (Ferruginous Quartz)

Quartzite (SiO2 with Fe2O3 inclusions)

Quartzite (River Pebble)

SiO2 (recrystallized Quartz)

River Cobble (Quartzite with Iron Staining)

Metamorphic Quartzite (SiO2 with Fe2O3 inclusions)

Quartzite

Quartzite (primarily SiO2)