The width is 2.1 cm The size is 17.75 mm UK P US 7 1/2 Electroformed Jewelry is created using chemistry and electricity, ThisElectroformed copper pyrite ring is one of a kind and unique in all ways, you will recieve the Electroformed copper pyrite ring from the picture. I can make similar rings in various sizes. Pyrite is a protective, shielding stone and is excellent to wear or carry as an amulet to deflect harm and danger. It is especially helpful when one is away from home or performing hazardous work. [Melody, 497][Hall, 149][Eason, 180] Pyrite guards against ongoing control, criticism and manipulation by a partner, parent or employer, lending the power to resist without becoming angry or upset, changing the balance of power. [Eason, 180] A piece of Pyrite in the home or workplace energizes the area around it and imparts an immediate increase in vitality. It overcomes intellectual fatigue due to overwork and tiredness of the nervous system by stimulating blood flow to the brain, increasing mental clarity, focus and recall. [Hall, 149][Simmons, 314][Megemont, 151][Melody, 498] Pyrite inspires creativity in art, mathematics, science, architecture and many disciplines, especially those that recognize the inherent perfection and harmonious symmetry of nature and the universe. It stirs the qualities of ambition, commitment and perseverance, and is an ideal stone for students. [Simmons, 315][Melody, 498] In the workplace, Pyrite encourages leadership qualities and is an ally for managers and those working toward promotion. [Eason, 180] Pyrite enhances the protective and assertive male energies in both men and women. It boosts women’s self-worth and helps overcome tendencies toward servitude and inferiority. For men, it instills a feeling of confidence in one’s masculinity and supports the enthusiastic expression of male eroticism. [Simmons, 315][Hall, 150]