Gems are goals that behave similarly to Rocks – but they’ve got a gem inside that you need to get by destroying the tile. Gems cannot be swapped and aren’t affected by gravity. They can only be destroyed by power-ups, and once they’re destroyed, you’ll get the gemstone contained within. They also do not block the blast of the power-up, which means that a single, well-placed Firecracker can destroy a whole row of Gems!