16
16
Minecraft Quick Build Challenge - 2012 Beach 1-16 was released on: USA: 5 September 2012
Diamonds spawn on Layers 16 and below.
Diamonds are found below level 16 of the world.
Oct 16, 2012
A standard stack in Minecraft is 64. However, certain items, including ender pearls and snowballs can only be stacked to 16.
Minecraft High After Hours - 2012 Finale Part 4 1-16 was released on: USA: 29 June 2013
Diamonds can be found below level 16.
June 10 - June 16, Im not positive though.
Redstone Ore veins are found below layer 16. veins are most common on layer 8. There are 25 ores per chunk on average.Sources: Redstone Ore - Minecraft WikiOre - Minecraft Wiki
Based on my calculation as of this very moment, on 16 May, Mojang has earned 209,693,752 Pounds. Whew. Over 200 million bucks from Minecraft.