Ashes Infused Glass rings are all made from dichroic glass. This is a 100 year old technique perfected by NASA to put in windows of spacecraft. The sparkling colors are made in small batches and has become so rare that orders for the glass is done with waiting lists. Ashes Infused Glass dichroic stones are hand cut and fired, then cold worked and fired again to perfection. The process takes days to create one small stone.