When my mother dies and I have to deal with all her crystal, I’ll get roaring drunk and spend the night smashing those useless fucking things in the fire, cackling like a madman. I fucking hated looking at all that money spent on utterly worthless sparkly shit.
There are websites that buy this stuff, this is just one example, and there are others. You can get a bit of cash without a ton of effort, just pack it up nicely and send it in.