Minecraft wiki entry for Coral, associated text: 1 Obtaining
1.1 Breaking
1.2 Natural generation
1.3 Post-generation
2 Usage
2.1 Dead coral
2.2 Note Blocks
3 Sounds
3.1 Alive
3.2 Dead
4 Data values
4.1 ID
4.2 Block state
5 History
6 Issues
7 Trivia
8 Gallery
9 References