Australian Tiger's Eye (Iron) Fancy-Cut Cabochon

About Tiger's Eye (Iron)

Tiger's eye is a quartz gemstone, usually golden brown to deep brown, with silky bands that can flash as a narrow line of light. This effect, called chatoyancy, resembles a cat's eye and is caused by the reflection of light from closely aligned fibrous structures. Modern descriptions emphasise that its formation can involve quartz growth or replacement within and alongside pre-existing fibrous material related to crocidolite,…