Herobrine.
This is probably the result of mobs walking around you. If you do not want to hear them, be sure to change your difficulty to peaceful.
There are no helmets made specifically for Mining, but normal Helmets do exist in Minecraft.
Minecraft is called Minecraft because what you basically do on Minecraft is Mine (ores, wood, et cetera), and craft (decorations, weapons, food, et cetera). Mining and crafting is how you start off your Minecraft life.Minecraft also had some strange names earlier. It used to be called many different things, like "Cave Game" and "Minecraft: Order of the Stone".
In the full version of Minecraft, obsidain is usually found in the deep part of caves. Since there are no cave systems in minecraft pe, it's really hard to find it. You just have to keep on mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining and mining until you luckily find obsidian.
There is no specific mining area; you just mine wherever you want to.
Ace of Spades is a combat focused game based on the Minecraft blocky world. Dig-N-Rig features the mining and building aspects of Minecraft. Minecraft is partly based on Infiniminer, a block-world mining game.
The name "Minecraft" means "The art of mining"
I find diamonds by mining at bedrock level.
By mining stone.
Minecraft doesn't stand for anything. It is Mine, which means Your world and mining, and Craft, which means crafting.
You can find them by mining in extreme hills biomes.
It is found in caves and can be requires when mining with a Pickaxe.