There are hundreds, maybe even thousands of blocks in Minecraft, and Mojang just keeps adding more.
WOOD
Wood is the most valuable natural resource in Minecraft. You get it from punching down a tree. In Minecraft, you can break dirt, sand, gravel, and wood (planks and logs) with your bare hands. This is what you will have to do at first to get that basic yet most nessesary resource in Minecraft.
There are at least four types of wood in Minecraft, but they look the same when made into wooden planks. (at least I think so. They make the same plank on the XBOX).
Jungle wood. (log)
This is a jungle tree in a jungle. It has a cocoa bean on it.
Jungle plank.
Jungle leaves. They dont grow fruit.
Birch planks
This is birch wood. It grows in forests with oak wood. I used to be obsessed with building a really big birch log house, but then I got over it and started loving spruce wood. (I just realized this. The background of this website looks a little like birchwood, but a bit paler. I gotta fix that.)
This is a birch tree in the type of biome it regularly grows in. Birch trees normally grow in forests with oak trees, but you can plant them anywhere, including deserts and snow biomes but excluding ocean biomes unless you create a patch of wet dirt on the ocean which is really hard. These same biome restrictions go for every other type of tree.
Birch leaves. (UGLY!!!!!!!!!!)
This is spruce wood. Can't you see why I love it? It's so dark, and it grows only in my favorite type of bione: the snow biome.
Spruce trees in a snow biome.
BRICKS
The next Minecraft block that I can think of is brick. Bricks are made by burning clay in a furnace. That gives you one brick per piece of clay. It takes four bricks to make a placeable brick block.
This is the recipe for a brick block.
This is a brick, which is what you get when you melt one piece of clay in a furnace. You need four of these to make a brick block, but you get at least four pieces of clay from every clay block. The wierd thing is, you can never get enough clay to build a big enough house without a fortune shovel.
This is a brick stair.
This is a brick slab. It is made with three brick blocks.
This is the crafting recipe for brick slabs. Three brick blocks makes three brick slabs. Makes sense, unlike almost all the other crafting recipes.
CLAY
This is clay. Clay is used to make bricks by melting the pieces of clay in a furnace. This clay spawns naturally where water and sand (NATURALLY) meet, and only sometimes. It is probably one of the most rare aboveground blocks in Minecraft. (besides cocoa beans, but I don't think they count as blocks). When you mine it, it produces 4 clay pieces, which is what you melt in a furnace to get bricks.
This is clay. You melt this stuff in a furnace to get bricks.
WHAT THE HECK ARE THESE THINGS????!!!!!?!??!!?!??!!?!??!! The caption said they were clay soldiers from the clay soldiers mod, but these things don't look AT ALL like soldiers!!!!!!!!
COBBLESTONE
The next Minecraft block I can think of (or really give a **** about) is cobblestone. Cobblestone (also called cobble) is one of the first underground items you get in Minecraft besides coal. Cobble is very basic and creates tools (and a sword) that are slightly better than wood, but not much. You get cobblestone from mining stone unless you use a silk touch pick. cobblestone is VERY useful in the nether because it is resistant to ghast fireballs.
this is the cobblestone slab. The recipe to make one is the excact same as a brick slab, so I don't want to search for a good pic on the internet.
This is papercraft cobblestone. Yes, you can actually build real paper Minecraft blocks. Go onto Google and search "papercraft". Then, go to Images and find a good pic. Next, copy and paste it onto a microsoft page. Then, print it.
STONE
The next block in Minecraft is stone. As said earlier if you mine it it will give you cobblestone unless you have a silk touch enchantment on your pick. You can make it either by burning it in a furnace or mining it with a silk touch pickaxe. It has absolutely no crafting use other than to make buttons and pressure plates. It is purely decorative.