There is no way to break it out cleanly. Q. I am considering buying a saw. Many people are using band saws, but I do not like them. In my experience, the blades tend to twist, warp and break to easily. The term compatibility is usually associated with working hot glass.
Different glass expand or contract differently.
If you use two pieces of glass with greatly different COE's, they will contract at different rates as they cool causing great stress and breaking of the glass. Most glass has a COE around 90. Bullseye and Wasser label their glasses. Many others do not. A. Dichroic glass is is used in fusing and is made with thin film vacuum deposition.