Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Category
Browse metamorphic rock (formed from a fibrous crocidolite asbestos) specimens identified by the Rock Identifier community.
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentinite
Serpentinite ((Mg,Fe,Ni,Al)3Si2O5(OH)4)
Rounded greenstone pebble
Likely serpentinite or chlorite-rich metamorphic rock; exact identification requires testing
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Serpentinite (likely antigorite-rich)
Serpentine-group rock; chiefly antigorite, lizardite, and/or chrysotile, approximately Mg3Si2O5(OH)4
Tiger's Eye
Silicified Crocidolite Pseudomorph (SiO2 with iron oxides)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine (polished/tumbled)
Serpentinite; chiefly antigorite, lizardite, and chrysotile, commonly with magnetite and carbonate minerals
Tiger’s-eye
Chatoyant quartz (SiO₂), commonly pseudomorphic quartz after crocidolite
Serpentine
Serpentinite (composed primarily of Mg3Si2O5(OH)4)
Polished tiger’s-eye
Quartz variety, macrocrystalline SiO₂ with chatoyant amphibole/fibrous inclusions
Polished tiger’s-eye
Quartz variety, SiO₂, with crocidolite-derived iron inclusions
Serpentinite
Serpentinite (composed primarily of minerals in the Serpentine group: Chrysotile, Lizardite, and Antigorite)
Serpentinite
Serpentinite (Mg3Si2O5(OH)4)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine
Antigorite/Chrysotile/Lizardite (Mg,Fe)3Si2O5(OH)4
Tiger’s eye
Quartz (SiO₂), pseudomorphic fibrous quartz with crocidolite inclusions
Serpentinite with Quartz/Calcite Veining
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Likely serpentine
Serpentine-group minerals, chiefly antigorite, lizardite, or chrysotile; approximate formula Mg₃Si₂O₅(OH)₄
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Chrysotile Asbestos
Chrysotile [Mg3Si2O5(OH)4]
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Tumbled tiger’s eye
Tiger’s eye (chatoyant quartz), SiO₂, typically pseudomorphic quartz after crocidolite
Serpentinite
Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Greenstone / Serpentinite
Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn silicate minerals including Antigorite, Lizardite, and Chrysotile)
Polished serpentine with veined host rock
Serpentine-group minerals, chiefly antigorite/lizardite (Mg₃Si₂O₅(OH)₄)
Green Serpentine
Serpentine group (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
Serpentine (Serpentinite)
Hydrous magnesium iron silicate, (Mg,Fe)3Si2O5(OH)4
Serpentinite
Serpentinite (complex silicate mineral group (Mg,Fe)3Si2O5(OH)4)
Serpentinite
Serpentinite, dominated by serpentine-group minerals (chrysotile, lizardite, antigorite), commonly with magnetite and chlorite
Likely serpentinized ultramafic rock (serpentinite)
Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, brucite, and pyroxene
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)
Tumbled tiger’s eye
Quartz (SiO₂), fibrous variety with crocidolite-derived inclusions
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
Serpentinite
Serpentinite (Hydrated Magnesium Silicate Mg3Si2O5(OH)4)
Serpentinite (likely chlorite–serpentine rock)
Serpentinite; primarily serpentine-group minerals [Mg3Si2O5(OH)4], with possible chlorite, talc, magnetite, and carbonate
Serpentine
Antigorite, Lizardite, or Chrysotile; (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Serpentinite
Serpentinite ((Mg, Fe)3Si2O5(OH)4)