This question is off the wall ,so I hope you can help

If Staz-on didn't work which surprised me because I have used Staz on with glass and it worked...try Brillance, Incredible Ink and of course plan old acrylic paint...

hope this helps debbie

You need to find a solvent-based permanent ink. CoMotion used to make a good one, although in a limited color range. One warning: Clean your stamps thoroughly *immediately* after stamping. When this stuff dries, it's permanent on everything.

-- Pat Kight snipped-for-privacy@peak.org

If it's something that can go in the oven, stamp with staz on and then bake it for a short period of time. Baking the staz on ink keeps it from washing off.

I've NOT done this personally, but I can get detailed information from my sisters; they have made several coaster sets by stamping on tiles with staz on ink and then baking the tiles. They say it works with glass too (but I'd think the glass you were stamping on would need to be able to take the high heat).

I hope this helps.

Anna