Mineral In Metamorphic Rock

Quartz / Quartzite

Silicon Dioxide (SiO2)

Quartz (Druzy) in host rock

SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)

Milky Quartz

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss (Banded Gneiss)

Gneiss

Lapis Lazuli

Na8[Al6Si6O24]n(S,Cl,SO4,OH)2

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Gneiss

Gneiss

Quartzite with Quartz Vein

Metamorphosed Quartz-rich Arenite (SiO2)

Green Aventurine in Host Rock

SiO2 (Quartz with Fuchsite inclusions)

Mica Schist

Mica Schist (Intermediate-grade Metamorphic Rock)

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (likely Rose Quartz or Milky Quartz based on color)

Quartz (SiO2 - Silicon Dioxide)

Clear Quartz Crystal

Quartz (Silicon Dioxide, SiO2)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Greenstone / Quartzite Pebble

Metamorphosed Quartz-rich Rock

Clear Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Shale or Slate with Quartz Veins

Shale (fine-grained clastic sedimentary rock) or Slate (low-grade metamorphic rock formed from shale) with Quartz (SiO2) veins

Serpentine (variety: Serpentine Rock)

Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Serpentinite

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

Greenstone / Serpentinite

Serpentinite (composed primarily of minerals from the serpentine group Mg3Si2O5(OH)4)

Quartz (Milky/Vein Quartz)

Silicon Dioxide (SiO2)

Mica Schist with Pyrite

Muscovite/Biotite Schist with Iron Sulfide (FeS2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz Pebble (Milky Quartz)

Silicon Dioxide (SiO2)

Labradorite

Labradorite, (Ca, Na)(Al, Si)4O8

Quartzite with Hematite

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3 inclusions)

Milky Quartz (with Iron staining)

Silicon Dioxide (SiO2)

Gneiss

Gneiss

Serpentinite

Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Schist

Mica Schist (Group of medium-grade metamorphic rocks)

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

Banded Gneiss

Gneiss (variable mineral composition)

Milky Quartz (or Iron-Stained Quartz)

Quartz (Silicon Dioxide, SiO2)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Nuummite

Nuummite (ortho-amphibole rock)

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)