Sterling silver earrings, Ag 925/1000. Studs with friction back. Rhodium plated. With genuine, natural gemstone - amethyst. Noblese earrings with exclusive, distinctive amethyst gemstone. Gemstone characteristics: Type: Natural gemstone amethyst. Country of origin: Brazil. Carat weight: 2 x 0.65 ct = 1.30 ct. Square (princess) cut, rozmer 5x5 mm. Color: Purple (AA). Clarity: VVS-VS. Luster: Excellent. Hardness: 7 Mohs. Specific gravity: 2.65 - 2.91. Refractive index: 1.544 - 1.553. Amethyst is a variation of crystalline quartz, colored by an iron particles, causing beautiful, light to dark violet gemstone color. Amethyst is a birthstone of February and gemstone of the Pisces zodiac sign. It is also an appropriate gift for the 6th wedding anniversary. Different shades of purple color of amethyst were ever a symbol of rulers. Amethysts served as a symbols of power of the pharaohs, kings, queens and religious sects leaders. Amethysts were often used as a decoration of the rich churches and cathedrals as a symbol of purity and piety in the Middle Ages. Amethyst is known as the "Pope´s gemstone" and currently worn by bishops as a symbol of their statuses. Cleaning and wearing: Amethyst is considered suitable for everyday wearing. Avoid contact with chemicals, sharp and direct sunlight and do not expose it to high temperatures. Amethyst should be cleaned with a soft toothbrush, mild soap and warm water. Price per pair.