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

Bronzite

Enstatite (magnesium iron silicate), (Mg,Fe2+)SiO3

Tumbled serpentine (likely)

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

Gneiss

Quartz–feldspar–mica gneiss

Gneiss

Metamorphic Rock (Gneissic texture)

Gneiss

Metamorphic Gneiss (High-grade regional metamorphism)

Granitic Gneiss

Gneiss (quartz-feldspar-mica complex)

Gneiss

Metamorphic rock (Gneiss)

Likely garnet, possibly almandine

Garnet group; likely almandine, Fe₃Al₂(SiO₄)₃

Tumbled dark green stone, likely serpentine or nephrite jade

Serpentine-group minerals, commonly antigorite/lizardite; possibly nephrite (interlocking tremolite-actinolite)

Polished green serpentine

Serpentinite, chiefly antigorite/lizardite Mg₃Si₂O₅(OH)₄

Serpentine (Nephrite-like Serpentine)

Serpentinite (Hydrous magnesium iron phyllosilicate)

Gneiss (specifically Epidote-Quartz Gneiss)

Gneiss containing Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)) and Quartz (SiO2)

Gneiss (specifically a weathered or stream-worn specimen)

Gneiss (Foliated Metamorphic Rock)

Mica-rich schist (probable)

Mica schist, composed mainly of mica minerals with quartz and possibly feldspar

Gneiss

Gneissic Metamorphic Rock

Giallo Ornamental Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Nephrite Jade

Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Greenstone

Greenschist-facies basaltic rock

Weathered greenstone (likely serpentinite or altered basalt)

Serpentinite, primarily Mg-rich serpentine minerals; possibly chlorite/actinolite-bearing altered mafic rock

Gneiss

Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)

Microcline Feldspar (Amazonite or White Feldspar)

KAlSi3O8

Likely raw garnet crystal

Garnet-group silicate, probably almandine (Fe₃Al₂Si₃O₁₂)

Gneiss

Gneissic Metamorphic Rock

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2

Gneiss

Gneiss

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)

Nephrite Jade / Pounamu

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Labradorite

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

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly lizardite, antigorite, and/or chrysotile, commonly with magnetite, chromite, and residual olivine/pyroxene

Banded sandstone pebble

Quartz-rich lithic sandstone; exact provenance and composition require testing

Garnet

Garnet-group silicate, likely almandine–spessartine; general formula X₃Y₂(SiO₄)₃

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Green aventurine quartzite (likely)

Quartz-rich metamorphic rock; predominantly microcrystalline quartz (SiO₂), with possible fuchsite, chlorite, or epidote

Polished pale-green stone, likely serpentine or jade

Serpentine-group mineral (commonly antigorite/lizardite), or possibly nephrite jade (tremolite–actinolite amphibole)

Tumbled greenstone / serpentine

Serpentine-group rock, chiefly antigorite/lizardite; possibly nephrite jade or chlorite-rich greenstone

Quartz Vein in Hematitic Siltstone

Hydrothermal Quartz (SiO2) in Ferriferous Matrix

Polished green banded stone, likely serpentine or altered greenstone

Probable serpentinite/greenstone; commonly dominated by serpentine-group minerals, chlorite, epidote, or actinolite

Rough ruby-bearing corundum (identification uncertain)

Corundum (Al₂O₃), possibly ruby; the image alone cannot confirm ruby or distinguish it from other red-purple minerals.

Gneiss

Gneiss (High-grade metamorphic rock)

Polished dark stone, likely nephrite jade or serpentine

Tentatively nephrite (fibrous amphibole aggregate, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂); possibly serpentine