Metamorphic Rock (For Both Nephrite And Jadeite)

Greenstone cabochon

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

Jadeite

Jadeite (NaAlSi2O6)

Quartz Pebble (with Feldspar/Mica)

Granitic Quartz / SiO2 with KAlSi3O8

Jade Bangle (Jadeite)

Jadeite (NaAlSi2O6)

Quartz River Rock

Silicon Dioxide (SiO2)

Clear Quartz

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Tumbled green-and-white stone, likely serpentine

Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, or chrysotile), commonly with magnetite and carbonate veins

Amber and Jadeite Beads

Fossilized Tree Resin and Sodium Aluminum Silicate

Lavender Jade (Jadeite)

Jadeite - Sodium Aluminum Silicate (NaAlSi2O6)

Tumbled greenstone-like pebble

Likely serpentine or chlorite-rich metamorphic rock; exact identification requires testing

Nephrite Jade

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

Serpentine (polished/tumbled)

Serpentine-group minerals, chiefly antigorite, Mg₃Si₂O₅(OH)₄

Gemstone Sand (Mineral Assortment)

Mixed Mineral Concentrates (Commonly including Quartz SiO2, Garnet X3Y2(SiO4)3, and Tourmaline (Na,Ca)(Li,Mg,Al)3(Al,Fe,Mn)6(BO3)3(Si6O18)(OH,F)4)

Clear Quartz

Silicon Dioxide (SiO2)

Tumbled greenstone (likely nephrite jade)

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

Serpentine

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

Rounded quartz-rich pebble

Likely microcrystalline quartz (chalcedony), possibly weathered quartzite

Jadeite Ring

Jadeite (NaAlSi2O6)

Unakite

Epidotized Granite

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Feldspar

Potassium Feldspar (KAlSi3O8)

Tumbled cream-colored stone, likely quartzite or limestone

Probably quartzite (microcrystalline SiO₂); limestone alternative: calcite (CaCO₃)

Greenstone (Prase / Nephrite / Serpentine mix)

Metamorphosed ultramafic rock / greenstone facies

Tumbled serpentine (likely)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄

Quartzite pebble

Quartzite (SiO2 with iron oxide impurities)

Tumbled serpentinite (likely antigorite-rich serpentine)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, chromite, or brucite

Serpentine

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

Unakite

Unakite (Epidotized Granite)

Nephrite Jade

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

Quartz Pebble

Silicon Dioxide (SiO2)

Serpentine (Nephrite-like Serpentine)

Serpentinite (Hydrous magnesium iron phyllosilicate)

Nephrite Jade / Pounamu

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

Serpentine-rich rock (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, talc, or carbonate

Blue gemstone, likely iolite or blue sapphire

Iolite (cordierite, Mg₂Al₄Si₅O₁₈) or corundum (sapphire, Al₂O₃)

Unakite

Epidotized Granite

Greenstone / Serpentinite

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

Mixed Rock and Mineral Collection

Mixed Assemblage (includes Quartz, Jasper, Feldspar, and Turquoise-colored stones)

Tumbled greenstone / serpentinite (probable)

Serpentinite, chiefly Mg-rich serpentine minerals (antigorite, lizardite, chrysotile), possibly mixed with chlorite, magnetite, or carbonate

Jadeite Jade

NaAl(Si2O6)

Quartz Pebble

Silicon Dioxide (SiO2)

Serpentine (Serpentinite)

Mg3Si2O5(OH)4