So, anyone ever break a block of glass by mistake? Don't you just hate that? Well, I have a suggestion to add to minecraft that would make all of those people who break glass by mistake happy.

Introducing: Hard Glass
This hard glass will look just like glass, but is ONLY breakable with a diamond pickaxe. It takes half the speed of mining obsidian to be mined up. I think this would be amazing new block to add to minecraft, but I have no idea how/where to suggest it. So if you think this is a good idea, then please either tell me where to post it and how or post it yourself!

Also, this hard glass would be perfect for all adventure maps, parkour maps, etc. because it wouldn't be able to be broken by hand.