LICENSE:
WTFPL
It isn't really useful but you have blue blocks and you can craft blue dye with it.
The Ore drops from 2 to 5 lapis lazuli.
Spoiler
The texture from Lapis Lazuli has changed.
If you have better textures or ideas, please write a comment!
Download:
Version 1.0: Version 1.1: GitHub (.zip)
Version 1.2: GitHub (.zip)
Or browse the code!
Sorry, for my bad english, you see I'm from Germany.