Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)

Petrified Wood (Silicified Wood)

Silicified Wood / Silicon Dioxide (SiO2)

Mica Schist

Mica Schist (Complex Silicate Rock)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)

Gneiss

Feldspathic biotite gneiss; a high-grade metamorphic rock composed mainly of quartz, feldspar, and mica

Gneiss

Gneiss (High-grade Metamorphic Rock)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals Mg₃Si₂O₅(OH)₄, with magnetite, olivine, and pyroxene remnants

Almandine Garnet

Almandine (Fe3Al2Si3O12)

Garnet and Quartz

Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)

Gneiss (specifically a Granitic Gneiss)

Gneiss (Composition: Quartz, Feldspar, Mica)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Quartzite (River Stone)

Quartzite (SiO2)

Polished blue-green stone, likely serpentine or chrysocolla-bearing rock

Serpentine-group minerals, chiefly Mg₃Si₂O₅(OH)₄; exact identification requires testing

Rhodonite

Manganese Inosilicate (MnSiO3)

Greenstone / serpentinized ultramafic rock (probable)

Serpentinite, chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with possible magnetite and talc

Biotite Mica

K(Mg,Fe)3AlSi3O10(OH)2

Rhodonite

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

Black Star Diopside

Diopside (CaMgSi2O6) with asterism

Serpentine

Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Iolite (Cordierite)

Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18

Dark rounded pebble, likely basalt

Basalt (fine-grained mafic volcanic rock; commonly plagioclase, pyroxene, and olivine)

Serpentinite (Serpentine Rock)

Primarily composed of serpentine group minerals, such as antigorite, chrysotile, and lizardite. Chemical formula for serpentine minerals is (Mg,Fe)3Si2O5(OH)4.

Serpentine

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

Greenstone / River Siltstone

Metasedimentary Greenstone (Chlorite-rich Siltstone)

Banded gneiss, probably granitic gneiss

Foliated gneiss composed mainly of quartz (SiO₂), feldspar—orthoclase/microcline and plagioclase—and dark mica, commonly biotite K(Mg,Fe)₃AlSi₃O₁₀(F,OH)₂

Rhodonite

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

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Garnet

Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)

Ruby

Corundum (Al2O3)

Garnet

Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Serpentine

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

Gneiss

Gneiss

Quartz

Quartz (SiO₂)

Eclogite

Eclogite (Omphacite-Garnet rock)

Granitic Gneiss

Felsic Polycrystalline Gneiss

Banded Gneiss

Gneiss (High-grade metamorphic rock)

Sunstone / Peach Moonstone (Feldspar variety)

Potassium Aluminum Silicate (KAlSi3O8)

Slate

Slate (Metamorphic Rock)

Granite Gneiss

Gneiss (Polymetamorphic Quartz-Feldspar-Mica rock)

Gneiss (with Quartz and Biotite Mica)

Gneiss