Serenity Rivoli (3200) aquamarine crystals are flat-backed crystals with mesh panels for threading, allowing them to be sewn onto fabric. Serenity Rivoli glass is finely polished, closely related to the stone. The crystal shown here is a mineral crystal coated with brilliant crystals that enhance the stone's color, giving it an attractive sparkle. Aquamarine is a light, greenish-blue color, similar to the color of seawater. It is a soft, cool, and calming color, radiating a heat-reflective quality. The book describes the color of the gemstone from which it is named, a light blue or greenish-blue. It is a light and serene color that evokes tranquility and serenity. Aquamarine is often associated with the ocean, the sky, and a joyful, vibrant spirit.