Metamorphic Rock (Formed From A Fibrous Crocidolite Asbestos)

Quartzite (specifically a river-worn cobble)

Quartzite (primarily Silicon Dioxide, SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebbles

Quartzite (SiO2 silicon dioxide dominant)

Riverstone Quartzite (Water-worn Siltstone/Quartzite)

Metamorphosed Quartz-rich Arenite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (primarily SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite

Quartzite (SiO2)

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Quartzite

Quartzite (primarily SiO2)

Lapis Lazuli

Lapis Lazuli (Aggregate primarily of Lazurite: (Na,Ca)8(AlSiO4)6(S,SO4,Cl,1-2) with Calcite and Pyrite)

Quartzite

Quartzite (primarily SiO2)

Mixed Quartz and River Pebbles (Stone Collection)

Mixed assortment containing mainly Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Quartzite with Quartz Vein

Quartzite (primarily SiO2)

Seraphinite

Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.

Gneiss

Gneiss (High-grade Metamorphic Rock)

Beach Quartzite Pebble

Quartzite (primarily SiO2)

Quartz (Clear / Rock Crystal)

Silicon Dioxide (SiO2)

Fuchsite (Green Muscovite)

K(Al,Cr)2(AlSi3O10)(OH)2

Rough Emerald/Green Beryl

Beryl (Be3Al2(SiO3)6) with trace amounts of Chromium or Vanadium

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Peacock Ore (Bornite or Iridescent Chalcopyrite)

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with oxidation

Schist

Mica Schist

Quartzite

Quartzite (primarily SiO2)

Biotite Gneiss

Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)

Mica Schist

Mica Schist (Complex Silicate Rock)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Wishing Stone with Quartz Veins

Quartzite or Quartz-veined Metamorphic Rock (composed mainly of SiO2)

Nuummite

Nuummite (Orthoamphibole rock / Anthophyllite-Gedrite blend)

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)

Gneiss

Gneiss (High-grade metamorphic rock composed primarily of Quartz, Feldspar, and various Micas)

Mica Schist

Mica Schist

Green Quartzite (with Fuchsite)

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

Gneiss

Gneiss (High-grade Metamorphic Rock)

Quartzite River Rock

Quartzite (primarily SiO2)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2)

Quartz / Quartzite

Silicon Dioxide (SiO2)

Copper-bearing Mica Schist

Mica Schist with Native Copper inclusions

Schist

Lepidoblastic Mica Schist