There's no such thing as an obsidian sword unless you have mods installed.
Nothing can explode obsidian up to minecraft 1.2.5
1 stick at the bottom middle of the crafting table when entered above the stick put 2 obsidian ingot 'directly' above it and on both sides of the obsidian put iron ingots. And there you go!
No. Only a Diamond Pickaxe can mine obsidian.
You need a Diamond pickaxe to mine Obsidian.
In the latest Minecraft, you can.
you mine obsidian with diamond pickaxes
You need a Diamond Pick to harvest obsidian blocks.
anythings possible
The ID is : 49
Only with a diamond pickaxe.
No, you need a diamond pickaxe to mine obsidian.
No. Any explosions, no matter TNT or creeper, can destroy obsidian