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

Serpentine

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

Magnetite (Small Granule)

Magnetite (Fe3O4)

Banded Gneiss with Quartz Veining

Gneiss (High-grade Regional Metamorphism)

Granite Gneiss

Gneiss (High-grade metamorphic rock)

Gneiss

High-grade regional metamorphic rock (Foliated Gneiss)

Fulgurite

Fulgurite (Lechatelierite)

Banded Gneiss

Gneiss (High-grade regional metamorphic rock)

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

Greenstone or Epidote-rich Metamorphic Rock

Chlorite/Epidote Schist or Greenstone

Schist

Mica Schist

Gneiss

Gneiss

Gneiss

Gneiss

Greenstone

Greenschist (metamorphosed mafic igneous rock)

Potassium Feldspar

K-Feldspar (Orthoclase/Microcline), KAlSi3O8

Labradorite

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

Gneiss

Gneiss (High-grade metamorphic rock)

Tumbled green aventurine (probable)

Quartz-rich aventurine; SiO₂ with dispersed fuchsite mica or other green inclusions

Agate

Silicon Dioxide (SiO2) - variety of Chalcedony

Nuummite

Orthorhombic amphibole (Gedrite and Anthophyllite mixture) - (Mg,Fe)7Si8O22(OH)2

Garnet ring

Likely almandine or pyrope garnet, an Fe–Mg–Al silicate in the garnet group; exact identity cannot be confirmed visually

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals, with possible magnetite, olivine, pyroxene, and talc

Gneiss with Quartz/Feldspar Vein

Quartz-Feldspathic Gneiss

Nephrite Jade

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

Gneiss (specifically Granitic Gneiss)

Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)

Gneiss

Gneiss

Gneiss

Gneiss

Garnet Gneiss

Gneiss containing Almandine Garnet

Gneiss (or Granite Gneiss)

Metamorphic rock rich in quartz, feldspar, and biotite/amphibole

Gneiss with Quartz Vein

Gneiss containing Quartz (SiO2) filler

Greenstone / Greywacke

Metagraywacke (contains Chlorite and Epidote)

Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Tumbled green stone, likely serpentine or nephrite jade

Serpentine-group minerals, commonly antigorite [(Mg,Fe)₃Si₂O₅(OH)₄]; visual identification is uncertain

Gneiss

Metamorphic Gneiss

Likely black tourmaline (schorl), shown as a rough fragment and polished cabochon

Schorl, NaFe₃Al₆(BO₃)₃Si₆O₁₈(OH)₄

Tumbled greenstone, likely serpentine or altered jade-like rock

Serpentinite (predominantly serpentine-group minerals; Mg₃Si₂O₅(OH)₄), possibly nephrite jade if notably tough and dense

Gneiss (Banded Gneiss)

Gneiss

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Tumbled green stone, likely serpentine

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

Garnet-Bearing Gneiss

Garnetiferous Feldspathic Gneiss

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Greenstone, possibly serpentine or altered basalt

Serpentinite (Mg₃Si₂O₅(OH)₄) or chlorite-epidote altered basalt; identification is uncertain from the image

Green Aventurine

Silicon Dioxide (SiO2) with Fuscite inclusions