Mineral In Metamorphic Rock

Clear/White Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

Lapis Lazuli

Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Blue Apatite

Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]

Greenschist (Greenstone)

Greenschist

White Marble

Recrystallized Calcite (CaCO3)

Slate

Foliated Metamorphic Rock

Gneiss

Gneiss (High-grade metamorphic rock)

Unakite (Epidotized Granite)

Unakite; primarily composed of Epidote (Ca2(Al,Fe)3(SiO4)3(OH)), Orthoclase (KAlSi3O8), and Quartz (SiO2)

Emerald with Matrix (Emerald in Mica Schist)

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Milky Quartz

Silicon Dioxide (SiO2)

Pyrite in Shale

Iron Sulfide (FeS2)

Fuchsite

Chromium-bearing Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2

Unakite

Unakite (altered granitic rock)

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Gneiss (specifically Granitic Gneiss)

Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)

Lapis Lazuli (Raw)

Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S

Ruby in Zoisite with Hornblende

Anyolite (Ruby: Al2O3, Zoisite: Ca2Al3(SiO4)3(OH))

Lapis Lazuli

Na8[Al6Si6O24]S2 (Lazurite component), a rock composed primarily of Lazurite, Calcite, and Pyrite

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Ferruginous Quartz

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

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Pink Tourmaline (Rubellite)

Elbaite (Tourmaline group) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4

Gneiss

High-grade foliated metamorphic rock

Gneiss (Metamorphic Rock)

Gneiss (high-grade regional metamorphic rock)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Gneiss

Gneiss (High-grade metamorphic rock)

River Quartzite Siltstone

Quartz-rich Meta-siltstone (SiO2 dominated)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions

Granite Gneiss

Gneiss (high-grade metamorphic rock)

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within metamorphic/igneous matrix

Red Garnet (Pyrope or Almandine)

Garnet Group (A3B2(SiO4)3)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Pebble (Water-worn Quartzite)

Silicon Dioxide (SiO2)

Agatized Petrified Wood

Silicon Dioxide (SiO2) - Chalcedony pseudomorph after Wood

Giallo Ornamental Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Quartz Vein in Host Rock (Gneiss/Schist)

Silicon Dioxide (SiO2) within a metamorphic matrix

Slate

Slate (Foliated Metamorphic Rock)