Using various techniques such as adding minerals and oxides to molten glass to achieve a wide spectrum of hues, the use of color in Murano glass allows artists to create intricate patterns, delicate shapes, and unexpected designs, making each piece unique. Unlike other colors of glass, the ruby glass color is given by the addition of 24 kt gold in the molten glass. This original collection of candlestick holders is a physical demonstration of how complex Murano glass production can be.