Basalt Columns Southern Washington quarried stone Basalt is lava that cooled on the surface of the earth, often these flows harden into polygonal columns like those shown here for sale. In the USA most of these polygonal flows exist in Southeastern Washington. There some outcroppings of this type of basalt in smaller amounts in California, Idaho and Montana. This stone makes for outstanding benches in parks, schools and other public grounds. The columns are also easily turned into water fountains or incorporated into waterfalls. We also offer two types of crushed black basalt rock that make fantastic landscape ground covers. Specifications
Black Rock Columns 24″ or more in diameter – 190 lbs per cubic foot
When ordering use the Purchase Order function at checkout and enter ROCK as your payment method. This will allow you to create an order for a firm transportation quote without having to pay for it at this time. While we have posted transport rates, in many circumstances we are able to ship the order to you for less. You will be given a firm cost on the whole order within a few minutes to a few hours.