Mineral (Pseudomorph)

Tiger's Eye (Brown/Gold variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)

Green Tiger's Eye

Silicified Crocidolite (Quartz variety, SiO2)

Tiger's Eye

Tiger's Eye (Pseudomorph of Quartz after Crocidolite), SiO2

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Goethite

Goethite (α-FeO(OH))

Tiger's Eye

Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)

Red Tiger's Eye

Pseudomorph of Macrocrystalline Quartz after Crocidolite (SiO2)

Limonite (also known as Yellow Ochre or Brown Hematite)

Limonite (Hydrated iron oxide-hydroxide, FeO(OH)·nH2O)

Tiger's Eye

Silicon Dioxide (SiO2) replacing Crocidolite

Tumbled tiger’s-eye

Quartz variety, mainly fibrous quartz pseudomorph after crocidolite; SiO₂

Chrysocolla

Hydrated copper silicates (Cu, Al)2H2Si2O5(OH)4·nH2O

Polished tiger’s-eye

Quartz variety, primarily fibrous chalcedony pseudomorph after crocidolite; SiO₂

Blue Tiger's Eye

Hawk's Eye (Quartz pseudomorph over Crocidolite)

Petrified Wood

Silicified Wood (primarily SiO2)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Tumbled tiger’s-eye

Tiger’s-eye quartz, microcrystalline SiO₂ with fibrous crocidolite pseudomorphs

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (Silicon Dioxide: SiO2)

Limonite

Hydrous Iron Oxide (often Goethite FeO(OH), Lepidocrocite γ-FeO(OH), and other amorphous iron oxyhydroxides)

Tiger's Eye (Gold/Brown variety)

Silicon dioxide (SiO2) with fibrous crocidolite inclusions

Tiger's Eye

Tiger's Eye (a variety of Quartz, SiO₂)

Tiger's Eye

Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)

Goldstone (with Tiger's Eye and Quartz)

Aventurine glass (Synthetic SiO2 with Cu inclusions)

Polished tiger’s-eye

Chatoyant quartz (microcrystalline quartz, SiO₂, with fibrous riebeckite/crocidolite pseudomorphs)

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Tumbled tiger’s-eye

Tiger’s-eye quartz, fibrous chalcedony/quartz (SiO₂) with crocidolite pseudomorphs

Jasper (Tiger Eye variety transition)

Silicon Dioxide (SiO2) with iron oxide inclusions

Tiger's Eye (Golden and Blue Pietersite mix)

Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)

Polished tiger’s-eye (likely brecciated or iron-stained)

Quartz, SiO₂, with crocidolite pseudomorphs and iron oxides

Tumbled tiger’s-eye

Quartz variety with fibrous crocidolite pseudomorphs; SiO₂

Tumbled tiger’s eye

Tiger’s-eye quartz, SiO₂ with crocidolite pseudomorphs

Tiger's Eye

SiO2 (Silicon Dioxide - pseudomorph after riebeckite/crocidolite)

Tumbled black-and-gold tiger’s-eye

Quartz pseudomorph after crocidolite; SiO₂ with iron oxides

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)

Pink Tiger's Eye

Silicified Riebeckite Asbestos (SiO2)

Tiger's Eye (commonly referred to as Blue/Gold Tiger's Eye)

Tiger's Eye is a variety of Chalcedony (cryptocrystalline quartz), SiO2, exhibiting chatoyancy. The blue variety is often called Hawk's Eye.

Polished tiger’s-eye (likely iron-rich quartzite)

Quartzite composed mainly of SiO₂, with fibrous crocidolite pseudomorphs oxidized to iron oxides

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with Iron Oxide inclusions)

Polished red tiger’s-eye (likely)

Quartz pseudomorph after crocidolite; chiefly SiO₂ with iron oxides

Polished tiger’s-eye with black hematite/goethite band

Quartz (SiO₂), fibrous pseudomorph after crocidolite, with iron oxides

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)

Polished golden-brown banded stone, likely tiger’s eye

Tiger’s eye (quartz with fibrous crocidolite pseudomorphs; SiO₂)