Glass
Glass is vary delicate and once placed you can not retive to make glass you need to put sand in a furnace with coal.
gras dirt
dirt can be found almost everywhere can be mined withe anything.
dirt
When you mine gras you get this dirt if you put it next to gras it will turn into grassy dirt
obsidian
Obsidian can only be mined with a diamondpicaxe and can only be made if you put water on to lava.
stone
Stone is a block you see everywhere in the game but when you mine it it turns into cobblestone. you can turn it back into stone bye putting it in a furnace and cooking it.
cobblestone
You get cobblestone when you mine normal stone.
dimond - ore
Diamond-ore is very hard to get but you can find it near bedrock. When mined it will turn into diamonds. Wich you can us for armer,tools and for weapons.