Large 15mm Lavender Ametrine Nugget BeadsThese beautiful nugget beads are ametrine which consists of amethyst with a little citrine. Price is per 15. 5 inch string each nugget will be a different size, shape and colour, but average largest is around 15mm x 8mm x 5mm. Amethyst belongs to the quartz family and the purple color is due to traces of iron. Colored purple to lilac, and ranging from opaque to transparent. Named from the Greek word "amethustos", meaning without wine. Amethyst is an