Metamorphic Rock (Formed From A Fibrous Crocidolite Asbestos)

Serpentine

Serpentinite (group of minerals based on (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)

Serpentine (likely polished serpentinite)

Serpentinite; chiefly antigorite, lizardite, and/or chrysotile, Mg₃Si₂O₅(OH)₄

Polished tiger’s eye

Tiger’s eye, a chatoyant variety of quartz (SiO₂) with fibrous crocidolite-derived inclusions

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Serpentine

Antigorite, Lizardite, or Chrysotile (Mg3Si2O5(OH)4)

Serpentinite (serpentine-rich metamorphic rock)

Serpentine-group minerals, chiefly antigorite, lizardite, and chrysotile; commonly with magnetite and minor brucite

Tumbled dark green stone, likely serpentine or greenstone

Serpentinite (serpentine-group minerals), possibly chlorite- or amphibole-rich greenstone

Serpentinite

Serpentinite (group of minerals: Antigorite, Lizardite, Chrysotile)

Serpentine

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

Serpentine

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

Serpentinite

Serpentinite (composed primarily of Serpentine minerals: Mg3Si2O5(OH)4)

Serpentine

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

Greenstone, likely serpentine or green jasper

Serpentine-group minerals, chiefly antigorite/lizardite; possibly quartz-rich jasper

Greenstone / Serpentinite

Serpentinite (composed largely of Serpentine group minerals, Mg3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite)

Serpentinite (with Pyrite/Garnet inclusions)

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4

Polished dark gray stone, likely basalt or fine-grained andesite

Basalt/andesite; primarily plagioclase feldspar, pyroxene, and possibly olivine or magnetite

Tumbled brown stone, likely tiger’s-eye or jasper

Quartz-rich microcrystalline silica, likely SiO₂ (possible tiger’s-eye; identification uncertain from image)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, e.g., Antigorite, Lizardite, or Chrysotile)

Serpentine

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

Green serpentine (likely serpentinite)

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

Red Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Granite Gneiss

Gneiss (High-grade metamorphic rock formed from granitic precursor)

Serpentine

Serpentine subgroup (Mg3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of serpentine group minerals including antigorite, chrysotile, and lizardite)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)

Polished tiger iron

Tiger iron; interlayered hematite, jasper, and crocidolite-quartz (often riebeckite)

Serpentinite

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

Serpentinite (likely)

Serpentine-group minerals, chiefly antigorite/lizardite; commonly with magnetite and relic olivine/pyroxene

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals such as Antigorite, Lizardite, and Chrysotile)

Quartzite

Quartzite

Serpentine (likely bowenite)

Serpentine-group minerals, chiefly antigorite and lizardite; often with magnetite and carbonate

Serpentinite

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

Serpentinite

Serpentinite (group of hydrous magnesium iron phyllosilicates)

Serpentinite

Serpentinite (complex silicate mineral group (Mg,Fe)3Si2O5(OH)4)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe)3Si2O5(OH)4)

Tumbled serpentine

Serpentinite; chiefly antigorite, lizardite, and/or chrysotile-group minerals

Eagle Eye Stone (Gray-Blue Tiger's Eye)

Pseudomorph of Quartz after Crocidolite (SiO2)

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

Tumbled serpentine (likely bowenite)

Serpentine-group magnesium silicate; commonly antigorite, lizardite, or chrysotile (Mg₃Si₂O₅(OH)₄)

Polished serpentine pendant

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

Tumbled tiger’s-eye

Quartz variety, fibrous golden-brown quartz (SiO₂), commonly pseudomorphic after crocidolite