TIGER'S EYE
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 Routine Treatments: None Additional Enhancements: Bleaching, dyeing, heating |