The colours in this section are mixed, with the only similar attribute being that there is an iridescent surface on one side of the glass. These glasses have been flash-fired with a micro-thin layer of metallic crystal, creating a distinctive rainbow-like colouring across the sheet. The effect is nothing short of stunning, and needs to be used selectively.

With some of them, particularly the more transparent lighter glasses, the iridescence is only noticeable from certain angles, and more so when there is no light being actually transmitted through them. Getting to know how they behave is something of a learning curve, and maximising the effects, both subtle and intense, can take practice.