Sunset Red Lava Rock 1½"Description: The depths of red vary in color depending on the amount of moisture content. Drier rocks tend to display lighter reds and dampened rocks appear deep red. When installed it compliments green plants or bright whites to create a beautiful display. Lava rock is created when rapidly cooled magma begins to harden. Due to the nature of this natural forming rock, its physical properties will vary by size, density and color. Uses: Landscaping