Metamorphic Or Sedimentary (With Staining)

Milky Quartz

Quartz / Silicon Dioxide (SiO2)

Unakite

Unakite Epidosite (composite of Epidote, Orthoclase, and Quartz)

Mica Schist

Mica Schist (primarily Muscovite and Quartz)

Schist

Crystalline Metamorphic Rock (Schistose)

Lapis Lazuli

Lazurite-dominant Metamorphic Rock (complex aluminosilicate)

Red Quartzite

Quartzite (primarily SiO2)

Greenstone (Epidote/Chlorite Rich Rock)

Metabasalt (often contains Epidote Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Unakite (Epidotized Granite)

Epidotized Granite (mixture of Orthoclase, Epidote, and Quartz)

Unakite

Epidotized Granite

Mica Schist

Mica Schist (Quartz-Biotit-Muscovite Schist)

Green Aventurine

SiO2 (Silicon Dioxide) with Fuchsite inclusions

Schorl (Black Tourmaline)

NaFe3Al6(BO3)3Si6O18(OH)4 (Complex Borosilicate)

Quartzite Pebble

Quartzite (primarily SiO2)

Blue Quartz with Dumortierite/Magnesio-riebeckite inclusions

Quartz (SiO2) containing Dumortierite (Al7(BO3)(SiO4)3O3)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Dragon Blood Jasper

Epidote with Pietersite or Red Jasper (Ca2Al2Fe3+[Si2O7][SiO4]O(OH))

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)

Schist

Schist (Crystalline metamorphic rock)

Fulgurite

Fulgurite (Lechatelierite-rich variety)

Wishing Stone with Quartz Vein

Hydrothermal Quartz Vein in Metasedimentary Matrix (primarily SiO2)

Anyolite (Ruby in Zoisite)

Zoisite with inclusions of Corundum; Ca2Al3(SiO4)3(OH) + Al2O3

Yellow Quartz (Citrine Quartzite)

Silicon Dioxide (SiO2)

Lapis Lazuli

Tectosilicate (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Blue Aventurine

Quartzite with inclusions of Dumortierite (SiO2 + Al7(BO3)(SiO4)3O3)

Star Ruby

Corundum (Al2O3 with chromium and rutile inclusions)

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Rhodonite

Manganese Silicate (Mn,Fe,Mg,Ca)SiO3

Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Quartzite

Quartzite (SiO2)

Quartzite River Rock

Quartzite (primarily SiO2)

Quartzite

Quartzite (SiO2)

Charoite

Charoite (Hydrated potassium sodium calcium barium strontium silicate hydroxyfluoride)

Moonstone (Feldspar variety)

Orthoclase Feldspar (KAlSi3O8)

Charoite

Charoite (Hydrated potassium sodium calcium barium strontium silicate hydroxyfluoride)

Green Aventurine (worked as a bead/sphere)

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Red Agate

Agate (Cryptocrystalline variety of Quartz, SiO2)

Rhodonite in Quartz Matrix

Rhodonite (Manganese Silicate - (Mn,Fe,Mg,Ca)SiO3)

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Petrified Wood

Silicified Wood (SiO2)

Garnet Rhyolite

Rhyolite (high-silica volcanic rock) with almandine/spessartine garnet

Quartz (Milky or Cloudy variety)

Silicon Dioxide (SiO2)