Wool

Wool is a block mainly used for decoration and Beds. It is not very hard to find and is considered renewable as it can be obtained from killing Spiders and Shearing Sheep.

Obtainability
The main method of obtaining wool is by either by killing or Shearing Sheep. Wool can also be crafted out of 4 pieces of String, which can be obtained by killing Spiders.

Types

 * White Wool
 * Purple Wool
 * Black Wool
 * Red Wool
 * Orange Wool
 * Green Wool
 * Light Blue Wool (written as "blue light wool")
 * Blue Wool
 * Yellow Wool
 * Brown Wool
 * Pink Wool
 * Lime Wool
 * Cyan Wool
 * Magenta Wool
 * Gray Wool
 * Light Gray Wool

Uses
As stated above, Wool is mainly used for decoration. This is because it can be dyed a wide variety of colors. Wool can also be used to make Beds. If you have dyed Wool, it will not change the color of the Bed. In the creative inventory, all colors of Wool are available. Some sheep have natural colors of Wool: brown, white, gray, light gray, black, and pink. Pink is very rare, however. Only white Wool can be dyed. Red Wool can be used to make Carpets in survival, and in creative all colors of Carpets are available.

Trivia

 * There is a bug such that light blue Wool is tagged as "Blue Light Wool" on the tooltips section.