Chains
Jewels under the cage can't be moved! Make a match with the jewel under the cage to clear it!

Ground
Ground can be found on levels with gold bars. Ground can only be cleared by making matches next to it. 

Cursed Stones
Match next to Cursed Stones to remove them! You'll break the Cursed Stone when you remove all the orange jewels from the Stone. 

Jugs
Make a match next to Jugs to destroy them!

Grass and Flowers
Grass and Flowers can be found on top of the Ground obstacle. They're an additional layer you have to clear by making matches next to them!

Portals
Jewels that fall into a Portal will come out of the second Portal!