Sterling silver earrings, Ag 925/1000. Studs with friction back. Rhodium plated. With genuine, natural gemstone - white topaz. Delicate earrings underlinying charming beauty of a woman. Gemstone characteristics: Type: Natural gemstone - white topaz. Country of origin: Brazil. Carat weight: 2 x 0.15ct = 0.30 ct. Round, brilliant cut, diameter 3 mm. Color: White. Clarity: VVS. Luster: Excellent. Hardness: 8 Mohs. Specific gravity: 3.4 - 3.5. Refractive index: 1.61 - 1.64. Topaz jewelry cleaning: The best way to clean topaz jewelry is by using mild detergent and warm water. Avoid cleaning with ultrasound or steam cleaners. Do not expose topazes to excessive heat or acids. Price per pair.