Mineral - Tiger's Eye

Name Tiger's Eye
Class Silicates
Category Microcrystalline quartz
Crystal system Trigonal
Chemical composition Silicon dioxide (SiO₂) with crocidolite inclusions pseudomorphed into quartz
Hardness (Mohs scale) 6.5 to 7
Transparency Opaque to translucent on thin edges
Geographical origin South Africa, Australia, India, Myanmar, Brazil