Not only is Silver Clay on my list of todos but now I am into Bronze Clay. This new art form is less spendy than the Silver clay but not so if you don't already have a kiln. It has to be fired up to 1500 degrees or so to set up or "sinter" which is the proper term. And it takes about three to six hours. But the cost of the clay is much more affordable.
Two websites I favor for information on bronze clay is
Here is a picture of my first pieces. I was looking for more rainbow colored effects. My friend, Janelle Zorko, made these in the second picture.