Variety: Tiger's Eye Species: Quartz Mohs Hardness: 7 out of 10 Color: Golden to red-brown, with chatoyancy RI: 1.544 to 1.553 (1.54 or 1.55 spot reading) Birefringence: Usually not detectable SR/DR/AGG: AGG Fluorescence: Inert SG: 2.64 to 2.71
tiger's eye facts
Vintage tiger's eye and diamond statement bracelet in 18K gold
Tiger's eye is a variety of quartz, with a fibrous structure, that displays a phenomena known as chatoyancy.
Tiger's eye quartz is found many places across the world, but the two most important sources are Thailand and South Africa.