[Try to say post title three times fast. Heh.]
Here on the GP blogski, we’ve discussed both the merits and shortcomings of many non-traditional forms of mulch; rather, stuff that covers the ground that is referred to as mulch. Shredded rubber, marble chips, lava stone, dyed lava stone (ick), etc.
But this is a new one on me:

Naturally, I immediately shoved my hand in the biggest tub of glass (part of the Scientific Method). It was not…super smooth. A couple of pieces stuck, and there was a bit of sparkly-dust residue. I tried to remember not to rub my eyes for the rest of the day. Not sure I’m buying the recommendation to “use in pathways.”
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Pretty colors…soooo shiny. And recycled!
What’s this? A warning label on the aqua mulch: “Parents, please watch your children’s hands around the glass mulch.”Whoops.