1 - Plain, 2 - Plain (reduced), 3 - w/ Silver Leaf, 4 - w/ Silver Leaf (reduced & encased), 5 - w/ Silver Glass frit (reduced), 6 - w/ TerraNova2 Frit, 7 - Over Silver Foil, 8 - In Silver Glass Frit Stringer (encased), 9 & 10 - w/ Tuxedo, Copper Green, Opal Yellow, Ivory, and Peace
CiM Emperor, to me, is like a slightly subdued, purplish version of CiM Cranberry. The reactions are basically the same as Cranberry, and the basic hue of it is Cranberry-like. Also, this colour gets purpler the more you strike it, which Cranberry doesn't do. The main technical observation that I have about working with Emperor is that it is difficult to get Emperor to strike when it is used in thin layers, but that's not terribly unusual for a striking color.
In this picture, you can see that the bead on the right (which has been reduced, and struck repeatedly in a neutral flame) is far purpler than the bead on the left. Both beads are plain Emperor.
Like Cranberry, Emperor turns silver a yellowish colour. Reducing and encasing silver on Emperor results in a beautiful, blue-mottled iridescence under the clear coat.
And just like with Cranberry, when you put Emperor over silver foil (being careful not to melt it as you melt the top layer in) you get a strange golden brown from the foil underneath the pinkish purple of the colour.
Emperor makes a good base for silver glass. I got nice colour and behaviour from both the reducing and striking colours here.
And as frit stringer with reactive silver glass frit, Emperor does a good job of bringing out the blues and greens of the frit, but the effect is sort of dark and not as dramatic as it is when this technique is used with Effetre Straw Yellow or Light Brown Transparent.
I did not observe anything of note happening between Emperor and Tuxedo
Copper Green separates into two different colours of turquoise when used on top of Emperor.
Opal Yellow separates on top of Emperor and develops a faint three-dimensionality to its look as a result.
On top of Ivory, Emperor turns brown. When Emperor is used as the base colour, Ivory gets a brownish look to it and separates. This reaction is the same as what happens between Ivory and Cranberry except that it is far less wild.
Peace separates quite dramatically on top of Emperor.
These beads are Emperor with Lizard and Wood.