Metamorphic Rock (Formed From A Fibrous Crocidolite Asbestos)

Rose Quartz

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

Garnet Schist

Garnet-bearing Mica Schist (variety of compositions, often Al2SiO5 with X3Y2(SiO4)3)

Eclogite

Eclogite (Omphacite + Pyrope)

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Unakite (Epidote with Quartz and Feldspar)

Unakite (Metasomatized Granitic Rock)

Quartz (likely Milky Quartz or Chalcedony)

Quartz (SiO2 - Silicon Dioxide)

Rose Quartz

Rose Quartz (SiO₂)

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Gold-bearing Quartz

Auriferous Quartz (SiO2 with Native Gold inclusion)

Quartzite

Quartzite (SiO2)

Quartzite with Iron Inclusions

Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)

Quartz Vein in Schist

Quartz (SiO2) in Mica Schist

Unakite

Unakite (Epidote-Feldspar rock)

Banded River Cobble with Mafic Dike

Hydrothermally altered Graywacke or Sandstone with Mafic Intrusion

Banded Gneiss (River Cobble)

Gneiss (High-grade regional metamorphic rock)

Quartzite with inclusions

Metamorphic Rock (Mainly SiO2)

Quartzite Pebble

Recrystallized Quartz (SiO2)

Quartzite

Metamorphic Quartzite (predominantly SiO2)

Quartz with Chalcopyrite and Pyrite

Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Unakite

Epidotized Granite

Granite

Granite (a felsic intrusive igneous rock)

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Milky Quartz

Silicon Dioxide (SiO2)

Red Chalcedony (likely dyed)

Chalcedony (a variety of Quartz), SiO2

Rough Star Sapphire (Corundum)

Al2O3 (Aluminum Oxide)

Quartzite

Quartzite (mainly SiO2)

Quartz Geode/Cluster

Quartz (SiO2)

Quartzite (Milky)

Quartzite (SiO2)

Green Quartzite (or Aventurine)

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

Quartzite (river pebble) and Gabbro (crushed rock)

Quartzite (metamorphosed Quartz Sandstone, SiO2) and Gabbro (Plagioclase-Clinopyroxene rock)

Slate

Slate (Regional metamorphic rock composed primarily of quartz, illite, and chlorite)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (composed mainly of SiO2)

Schist (Garnet-Mica Schist)

Garnetiferous Mica Schist (primarily Muscovite/Biotite and Almandine Garnet)

Gneiss

Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)

Rose Quartz

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

Quartzite

Quartzite (SiO2)

Garnet Schist

Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)

Stiped Slate Beach Pebble

Low-grade Metamorphic Slate with Quartz Vein (SiO2 on Phyllosilicate base)

Rose Quartz

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