Serpentine-rich rock, possibly chrysotile serpentine
Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, brucite, or talc
Category
Browse metamorphic rock (formed from a fibrous crocidolite asbestos) specimens identified by the Rock Identifier community.
Serpentine-rich rock, possibly chrysotile serpentine
Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, brucite, or talc
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
Greenstone / Serpentinite
Serpentinite (composed primarily of serpentine minerals: Mg3Si2O5(OH)4)
Serpentine
Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Blue Aventurine
Quartz (SiO2) with inclusions
Blue and White Quartz
Crystalline Silicon Dioxide with inclusions (SiO2)
Serpentine (Nephrite-like River Cobble)
Serpentinite (Hydrous Magnesium Iron Silicate)
Tumbled serpentine
Serpentine-group minerals, chiefly lizardite and antigorite; approximate formula Mg₃Si₂O₅(OH)₄
Serpentine Schist with Quartz Vein
Serpentine Schist (a type of Metamorphic rock). The white band is likely Quartz (SiO2).
Serpentinite
Serpentinite (containing Antigorite, Lizardite, and/or Chrysotile)
Serpentinite
Serpentinite (composed primarily of minerals in the serpentine group: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Serpentine (Serpentinite)
Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Serpentine
Antigorite, Lizardite, and Chrysotile (Mg3Si2O5(OH)4)
Greenstone pebble, likely serpentine or altered basalt
Probably serpentinite (serpentine-group minerals, Mg₃Si₂O₅(OH)₄) or chlorite-rich greenschist
Polished serpentine
Serpentinite; chiefly antigorite, lizardite, and chrysotile serpentine minerals
Serpentinite
Serpentinite (complex of Antigorite, Lizardite, and Chrysotile, Mg3Si2O5(OH)4)
Serpentine
Serpentinite (composed mainly of Group Minerals Antigorite, Chrysotile, and Lizardite; Mg3Si2O5(OH)4)
Blue Quartz
Silicon dioxide (SiO2) with inclusions
Serpentine
Antigorite, Lizardite, or Chrysotile; formula generally (Mg,Fe)3Si2O5(OH)4
Petrified wood
Silicified wood; commonly quartz/chalcedony (SiO₂) replacing organic tissue
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals usually (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Green serpentine or nephrite-like stone
Serpentine-group minerals, chiefly antigorite/lizardite; possibly minor chlorite or actinolite
Serpentine
Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al)2O5(OH)4)
Serpentinite
Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, chrysotile), with magnetite and minor chromite/talc
Serpentine
Antigorite / Lizardite / Chrysotile mix; (Mg, Fe)3Si2O5(OH)4
Serpentinite
Serpentinite (Mg ₃ Si ₂ O ₅ (OH) ₄)
Chalcedony (Quartz Pebbles)
Silicon Dioxide (SiO2)
Polished green serpentinite
Serpentinite, chiefly serpentine-group minerals (antigorite/lizardite/chrysotile), commonly with magnetite and minor carbonate
Serpentine
Serpentine group (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Serpentine
Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)
Serpentinite
Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Banded Serpentine
Serpentinite (Mg3Si2O5(OH)4)
Greenstone pebble, likely serpentine or epidote-bearing rock
Probable serpentinite (serpentine-group minerals: Mg₃Si₂O₅(OH)₄), possibly epidote-rich metamorphic rock
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Weathered greenish stone, possibly serpentinite or altered basalt
Tentatively serpentinite (mostly serpentine minerals) or chlorite-rich basalt; exact identification requires testing
Weathered greenish metamorphic rock, possibly serpentinite
Serpentinite, dominated by serpentine-group minerals (antigorite, lizardite, or chrysotile)
Blue Quartzite
Metamorphic Quartzite (SiO2)
Serpentine (Greenstone)
Antigorite, Lizardite, and Chrysolite mixture (Mg3Si2O5(OH)4)
Polished serpentine breccia
Serpentinite, commonly serpentine-group minerals with carbonate and magnetite
Tumbled serpentine
Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, chrysotile), commonly with magnetite and minor carbonate