4 Kg Boulder Rock ~ New Zealand Lava

4Kg of Mixed Sizes Grey Round New Zealand Lava Rock Boulders 

These Natural Lava Rocks are unique, very attractive, and come from New Zealand.  These lovely, oval-rounded boulders of grey lava rock vary in size from an Emu egg to a duck egg to an eyeball. They are speckled grey in colour and have an even-textured surface. 

The satisfying rock shapes are ideal as a feature or clustered together to create a natural, river-rock aquascape.

Sizes vary as they are a natural tumbled product.