Working with reactive glass

With time on my hands, I’ve been experimenting with reactive effects in glass. I use Bullseye Glass for fusing. When certain glasses are combined in the kiln, their chemistries have the potential to react, which can cause beautiful effects. Bullseye have charts on their website showing the reactive potential of their glasses. It’s all to do with whether the glass is lead bearing, copper bearing or sulfur/selenium bearing and how you combine the different types of glass.

I followed one of Bullseye’s quick tips where I used french vanilla glass (one of my favourites) and laid silver foil on it in random strips. Luckily I had some silver foil handy in my lampworking supplies. The quick tip suggested using aquamarine frit (tiny pieces of glass) but I didn’t have any so I substituted it with turquoise frit. The frit was sprinkled on the bottom of the silver foil and plate. That was all the quick tip suggested. I then added french vanilla stringer (thin, spaghetti like pieces of glass) laid vertically on the silver foil and french vanilla sheet. Clear dots were also placed randomly around the silver foil .

I usually build all my pieces directly onto the kiln shelf. The picture above shows the assembled piece ready for firing. The picture below is after full fuse firing and then slumping. You can clearly see the reactions. I see candles which wasn’t intentional. So many possibilities….

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