Foiled glass involves putting foil underneath the glass while making the bead (logical.) Other colors can be added or layered and the end product is a bead which glows. Lamp working the bead involves manipulating the already hot glass, adding colors, or textures, or swirling it around.  
Image 8 is a gold foil square with a deep maroon stripe on either side. This is a two part earring featuring a semi precious bead which is a translucent gold and maroon, as well as red foil ball. Included are gold elements. On a bronze hoop.

Deep red and gold