Basalt Boulders found from naturally occuring volcanic eruptions
It is a very irregular and bubbly shape, good for landscape and garden decoration and features, but difficult to stack.
It is less dense than the quarried boulders, so each rock is lighter due to air voids.
The truck load pictured on this listing is 4 tonne.
The ute pictured dropping off the freshly excavated rock load is approximately 1 tonne.