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

Polished greenstone (likely serpentine or nephrite jade)

Serpentine-group mineral aggregate, commonly antigorite/lizardite; possible nephrite, a tremolite–actinolite amphibole aggregate

Gneiss

Gneiss

Polished dark green stone (likely serpentine or greenstone)

Serpentine-group mineral aggregate, commonly antigorite/lizardite; identification is uncertain from the image

Banded Gneiss with Quartz Vein

Foliated Metamorphic Rock (Gneiss)

Banded Gneiss

Gneiss (High-grade Metamorphic Rock)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Gneiss

Gneiss

Gneiss

Gneiss (Metamorphic Rock)

Actinolite (likely fibrous amphibole)

Actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂; possibly an actinolite–tremolite specimen

Fuchsite (Chrome Mica)

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

Feldspar

Potassium Feldspar (KAlSi3O8)

Likely nephrite jade pebble

Nephrite, an interlocking amphibole aggregate dominated by tremolite–actinolite, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂

Tumbled serpentine

Serpentinite; chiefly antigorite, lizardite, and/or chrysotile Mg₃Si₂O₅(OH)₄

Greenstone / altered mafic rock

Likely chlorite–epidote–actinolite schist or altered basalt (greenstone); exact identification requires thin-section or chemical testing.

Garnet (almandine or pyrope variety)

Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3

Tumbled green stone, possibly serpentine or nephrite jade

Tentative: serpentine-group mineral (Mg₃Si₂O₅(OH)₄) or nephrite, a fibrous amphibole aggregate

Greenish altered rock, possibly serpentinite or chlorite-rich schist

Tentative: serpentine-group minerals, chiefly antigorite/lizardite, or chlorite–actinolite assemblage

Gneiss Pebble

Gneiss (Metamorphic Foliated Rock)

Polished green stone, likely serpentine or nephrite jade

Serpentine-group minerals, chiefly antigorite/lizardite; possible nephrite (actinolite–tremolite amphibole)

Greenstone cabochon

Likely serpentinite or chlorite-rich greenschist; exact identification requires testing

Gneiss

Gneiss (High-grade metamorphic rock)

Banded Gneiss

Gneiss (Felsic to Mafic Metamorphic Rock)

Gneiss

Gneiss (High-grade Metamorphic Rock)

Moonstone

Orthoclase (KAlSi3O8)

Serpentine

Serpentine Group (primarily Antigorite or Lizardite), Mg3Si2O5(OH)4

Serpentinite (likely)

Serpentinite, dominated by serpentine-group minerals (antigorite, lizardite, chrysotile), commonly with magnetite and minor chlorite/talc

Banded gneiss

Gneiss, likely quartz–feldspar–mica gneiss

Gneiss

Gneiss (foliated metamorphic rock)

Banded Gneiss

Gneiss (Metamorphic Rock)

Polished banded gneiss

Biotite–quartz–feldspar gneiss, locally migmatitic

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or chrysotile; approximate composition Mg₃Si₂O₅(OH)₄

Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss

High-grade foliated metamorphic rock

Banded Gneiss

Gneiss (Metamorphic high-grade rock)

Serpentine-rich greenstone (probable serpentinized ultramafic rock)

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, chromite, and relict olivine/pyroxene

Granitic Gneiss Pebble

Gneiss (felsic metamorphic rock)

Greenstone

Metabasalt / Metamorphosed Igneous Rock

Serpentine-rich metamorphic rock

Serpentinite, likely antigorite/lizardite with accessory magnetite or chromite

Serpentinite

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

Clear Quartz

Silicon Dioxide (SiO2)

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Gneiss

Gneiss (High-grade metamorphic rock)