Does Pietersite Have Chatoyancy?

Pietersite also has a distinctive chatoyancy, similar to what you find in tiger's eye. With that, the stone can almost appear to glow, enhancing the overall luster significantly. Overall, pietersite is considered fairly rare.

What is chatoyancy also called?

In gemology, chatoyancy (/ʃəˈtɔɪ. ənsi/ shə-TOY-ən-see), or chatoyance or cat's eye effect, is an optical reflectance effect seen in certain gemstones, woods, and carbon fibre.

Is pietersite same as Tigers eye?

The term "pietersite" is now used as a general term to describe brecciated tiger's eye. Pietersite is characterized by its distinctive swirls or streaks of gold or orange, due to the crocidolite inclusions within a microcrystalline silica host. Crocidolite is the same material responsible for tiger's eye chatoyancy.