Mineral And Metamorphic Rock

Quartzite

Quartzite (primarily SiO2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4

Lapis Lazuli (in Matrix)

Na8[Al6Si6O24]S2 (Lazurite as the primary component)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartz on Greenstone

Silicon Dioxide (SiO2) on Altered Igneous Geologic Unit

Greenschist

Greenschist (Chlorite Schist)

Serpentinite

Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)

Turquoise

Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O

Quartzite

Quartzite (composed mainly of SiO2)

Quartzite

Quartzite (primarily SiO2)

Yellow Quartzite (River Pebble)

Quartzite (SiO2)

Unakite

Epidotized Granite

Serpentine

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

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar

Lapis Lazuli

Lapis Lazuli (a rock composed primarily of Lazurite)

Quartzite Pebble

Metamorphic Quartz (SiO2)

Rhodonite

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

Serpentine

Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)

Lapis Lazuli

Complex metamorphic rock containing Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl)2), Calcite, and Pyrite

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Quartzite (primarily SiO2)

Noble Serpentine

Antigorite (Mg3Si2O5(OH)4)

Quartz

Quartz (SiO₂)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Yellow Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Quartzite

Quartzite (SiO2 silicon dioxide)

Unakite

Epidotized Granite (Composed of Orthoclase Feldspar, Epidote, and Quartz)

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Unakite

Unakite (Epidotized Granite)

Unakite

Unakite (altered granitic rock: SiO2 + Ca2(Al,Fe)3(SiO4)3(OH))

Unakite

Epidotized Granite (Fe, Ca, Al silicate + KAlSi3O8)

Serpentine

Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Na8[AlSi O4]6[S,Cl,SO4,OH]2)

Moonstone (Feldspar)

Orthoclase or Oligoclase (KAlSi3O8)

Epidote with Feldspar/Quartz (Unakite-like)

Epidotized Granite (Ca2(Al,Fe)3(SiO4)3(OH) + KAlSi3O8)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (primarily SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Quartzite

Quartzite (composed primarily of Silica, SiO2)

Red Quartzite (likely Purple/Red variety)

Quartzite (SiO2)

River Pebble (Likely Quartzite or Gneiss)

Metamorphosed Silicate Rock (primarily SiO2)