Lava Rock is a natural volcanic rock that is great at retaining mositure, so can be used in pots and shrub beds. It comes in 3 colours, depending on quantity, special orders can be made.
Limestone Rock comes in a variety of different sizes, including Fines, 3/4", 1", 2 - 4", 4 - 6" and boulders. It is greyish blue in colour and great around the house.
prices vary depending on size
Rundle Rock is dark grey in colour. The 3/8" fines work well for creating pathways or as a base for paving stones. It comes in a variety sizes, including 3/8" fines, 3/4", 1 1/2", 2"-4" and large tailings.