Sterling silver ring, Ag 925/1000. With genuine, natural gemstone - amethyst. Gentle ring looks like the dream, woven from spider webs. 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. Gemstone characteristics: Type: Natural gemstone amethyst. Country of origin: Bolivia. Carat weight: 0.58 ct. Square (princess) cut, faceted, dimensions 4.5 x 4.5 mm. Color: Violet (A). Clarity: VVS-VS. Luster: Excellent. Hardness: 7 Mohs. Specific gravity: 2.65 - 2.91. Refractive index: 1.544 - 1.553. 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. Pattern width ca. 10 mm, band width ca. 1.3 mm.