Bismuth Rings - A Jewelry Piece Made From The Metal The beautiful multicolor Bismuth Gemstone has been introduced to humans since ancient times, and they are used for several purposes like cosmetics and in a few pharmaceuticals. Therefore, the use of this colorful gemstone in jewelry, especially in the form of rings, is a relatively recent happening. Bismuth Rings became more famous in the late 20th century and continue to be the most trending ring today.The Bismuth crystals from which these charming rings are manufactured are created through a process named crystallization. Bismuth is a delicate metal with a comparatively low melting point of 271.4 degrees Celcius (520.5 degrees Fahrenheit). When molten bismuth metal cools down, it creates beautiful complex and uniform crystals due to the quick solidification process. These crystals contain rare colors and patterns, making each piece of bismuth jewelry genuinely one-of-a-kind.