CORAL
Species: Calcareous Coral
Mohs Hardness: 3 to 4 out of 10 Color: White, red, orange, pink, gray, cream and black RI: 1.486 to 1.658 Birefringence: 0.172 (birefringence blink) SR/DR/AGG: AGG Fluorescence: Varies SG: 2.65 (+/-0.05) Routine Treatments: None Additional Enhancements: Dyeing |