Serpentine-rich rock (likely serpentinite)
Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄
metamorphic
Category
Mineral Group
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Polished serpentine (likely bowenite)
Serpentine-group minerals, chiefly antigorite and/or lizardite; commonly Mg3Si2O5(OH)4
metamorphic
Tumbled green stone, likely serpentine
Serpentine-group minerals, commonly antigorite or chrysotile; approximate composition Mg₃Si₂O₅(OH)₄
mineral
Pink Feldspar
Orthoclase (KAlSi3O8) or Microcline
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Mineral
Tumbled garnet (likely almandine)
Almandine garnet, iron-aluminum nesosilicate (Fe₃Al₂Si₃O₁₂)
gemstone
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Green Tourmaline
Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH))
mineral
Garnet-set butterfly brooch
Likely almandine or pyrope garnet, iron–aluminum silicate (Fe₃Al₂Si₃O₁₂ or Mg₃Al₂Si₃O₁₂)
gemstone
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Polished banded green stone, likely serpentine or altered volcanic rock
Probable serpentine-rich serpentinite; exact identification requires testing
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Polished greenstone (likely serpentine)
Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄
metamorphic
Tumbled serpentine
Serpentine-group minerals, chiefly antigorite/lizardite (Mg₃Si₂O₅(OH)₄)
metamorphic
Serpentine-rich greenstone (probable serpentine/soapstone fragment)
Serpentine-group minerals, chiefly antigorite/lizardite; possibly minor talc, chlorite, and carbonate
metamorphic
Polished garnet bead bracelet
Garnet group, likely almandine–pyrope solid solution; commonly approximated as Fe₃Al₂(SiO₄)₃–Mg₃Al₂(SiO₄)₃
gemstone
Pale green tumbled stone, possibly serpentine
Serpentinite (chiefly serpentine-group minerals; visual identification is uncertain)
metamorphic
Tumbled green stone, likely serpentine
Serpentine-group minerals, chiefly antigorite/lizardite; approximate formula Mg₃Si₂O₅(OH)₄
metamorphic
Tumbled green serpentine
Serpentine-group minerals, chiefly antigorite and/or lizardite; commonly marketed as “serpentine jade”
metamorphic
Garnet (Almandine/Pyrope variety)
Silicate mineral group; typically Fe3Al2(SiO4)3 (Almandine) or Mg3Al2(SiO4)3 (Pyrope)
mineral
Serpentinite
Serpentinite (composed primarily of mineral group (Mg,Fe,Ni,Al)3Si2O5(OH)4)
metamorphic
Tumbled serpentine (likely)
Serpentine-group minerals, commonly antigorite/lizardite: Mg₃Si₂O₅(OH)₄
mineral
Bi-Color Tourmaline (or Watermelon Tourmaline)
Tourmaline (complex borosilicate mineral group with general formula AD3G6(BO3)3T6O18(OH,O)4)
Mineral
Garnet (almandine or pyrope variety)
Silicate mineral Group: (Fe, Mg, Mn, Ca)3(Al, Fe, Cr)2(SiO4)3
mineral
Olivine (likely Peridot variety)
Olivine Mineral Group (specifically Forsterite-Fayalite solid solution series); Chemical formula: (Mg,Fe)2SiO4
Mineral
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Garnet (Almandine/Pyrope)
Silicate Mineral (Group: X3Y2(SiO4)3 where X=Mg, Fe, Mn and Y=Al, Fe, Cr)
mineral
Likely serpentine (serpentinite) pebbles
Serpentine-group minerals, chiefly antigorite, lizardite, and/or chrysotile; commonly Mg₃Si₂O₅(OH)₄, sometimes containing magnetite, chromite, and minor carbonate minerals
metamorphic
Serpentinite
Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Serpentinite
Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Serpentine
Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)
Metamorphic rock
White quartz pebbles
Quartz (silicon dioxide, SiO₂), likely milky quartz
mineral
Clay (as a rock-forming material)
Clay minerals (e.g., Kaolinite group, Smectite group, Illite group, Chlorite group)
Mineral
Feldspar (Microcline / Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Milky Quartz / Chalcedony
Silicon Dioxide (SiO2)
mineral
Chalcedony (River or Beach Pebbles)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Serpentine Sphere
Serpentinite
metamorphic
Epidote with quartz/feldspar
Epidote, Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral