TAHITIAN PEARL
Species: Cultured Pearl
Pearl Type: Tahitian (Bead Nucleated) Mollusk: Pinctada Margaritifera Mohs Hardness: 2.5 to 4.5 out of 10 Color: Neutral silver, cream or brown to black or gray, to blue, green, yellowish green, or purple, with green, blue or rosé overtones RI: 1.530 to 1.685 Birefringence: 0.155 (Birefringence blink technique) SR/DR/AGG: AGG Spectrum: Not diagnostic Fluorescence: Variable SG: 2.72 to 2.78 Routine Treatments: None Additional Enhancements: Dyeing, irradiation |