Igneous And Metamorphic

Blue Quartzite (Blue Aventurine / Dumortierite Quartz)

Quartzite with inclusions (SiO2 with AlAl4BSi3O18)

Quartzite River Pebble

Quartzite (primarily Silicon Dioxide, SiO2)

Schist

Mica Schist (contains muscovite/biotite and quartz)

Garnet in Schist (Polished Tower)

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

Mica Schist

Mica Schist (primarily Muscovite or Biotite within a foliated matrix)

Garnet Schist

Almandine Garnet in Schist (X3Al2(SiO4)3)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4

Quartzite

Metamorphosed Sandstone (Mainly SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Muscovite Mica (with Schist)

Muscovite - KAl2(AlSi3O10)(OH)2

Quartzite

Quartzite (SiO2)

Slate with Quartz

Low-grade Metamorphic Slate with SiO2 inclusions

Quartz with Chlorite or Hornblende inclusions

Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions

Quartzite River Rock

Quartzite (SiO2)

Schist

Mica Schist (predominantly Muscovite/Biotite)

Mica Schist

Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)

Jade (likely Nephrite Jade based on appearance)

Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)

Green Aventurine

Quartz (Aventurine variety) - SiO₂ with Fuchsite inclusions

Sodalite

Sodalite - Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)

Jadeite (Jade)

NaAlSi2O6 (Sodium Aluminum Silicate)

Blue Quartzite

Quartzite (primarily SiO2 with inclusions like Dumortierite or Magnesio-riebeckite)

Banded Agate (Gray/Brown)

Silicon Dioxide (SiO2)

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Polished Rhodonite Obelisk

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

Aventurine

Silicon Dioxide (SiO2 with inclusions of Fuchsite mica)

Specular Hematite with Quartz and Limonite

Hematite (Fe2O3) with Quartz (SiO2) and Limonite (FeO(OH)·nH2O)

Peacock Ore

Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with iridescent tarnish

White Moonstone (Scolicite or White Feldspar var. )

Lattice-structure Silicate (KAlSi3O8)

Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Prehnite

Prehnite (Ca2Al(AlSi3O10)(OH)2)

Amazonite

Microcline (KAlSi3O8) with lead impurities

Aventurine Quartz

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Orange Calcite

Calcium Carbonate (CaCO3)

Unakite

Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Yellow Jade

Jadeite or Nephrite (NaAlSi2O6 or Ca2(Mg,Fe)5Si8O22(OH)2)

Lazulite

Magnesium Aluminum Phosphate Hydroxide (MgAl2(PO4)2(OH)2)

Unakite

Epidotized Granite

Rutilated Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2 with Epidote/Tourmaline inclusions

Pyrite

Iron Disulfide (FeS2)

Micaceous Schist

Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)

Biotite Schist

Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(F,OH)2)

Garnet Schist

Almandine-Garnet Mica Schist