No worries. More than anything, I don't want someone getting any tempered glass and end up with a surprise at their feet or, worst case, wasted money.
To be fair, I saw someone once refer to heat treating glass as tempering it. Which wasn't a correct assessment. Tempered glass is heat treated and cooled in a way to give it its structure to shatter the way it does. He was referring to heat treat to harden and make it more brittle.
Interesting note, not all colored glass knaps the same. Blues are best. Yellows and greens can be really hard. When we cut slabs in our shop, yellows and greens cut really, really slow on the wet saw.
Jared
