Granite Boulders For Pools & Water Features Southwestern quarry This rock is ideal for water features in swimming pools, waterfalls or general waterscapes. This stone is very hard but ironically that makes it much easier for drilling and cutting since it won't fracture. So it can be easily drilled for fountain and or lighting features. Granite Pool Boulders is an inviting mixture blend of grey, tan and silver tones with white marble veins worm their way through these warm colors in the rock and boulders. The surfaces of gold onyx rock and boulders range from smooth to jagged rough to the touch. This wall rock and boulders are shipped throughout Arizona, California, Colorado, Nevada, Utah, Texas and beyond into the rest of the USA, Canada and even into the Bahama's. This boulders can pre-ordered with holes drilled through them for installation of water or electrical features. Each drilled hole is $75.00 This is an American produced onyx (normally we would not parse the differences between American and Mexican stone since we strongly advocate stone imports from Mexico, as the alternative is more stone from Communist China and India and that does not help our countries at all) and this material is much more solid and easier for masons to work with than Mexican oynx. It is also one of the few materials that is cheaper than stone from Mexico. Mexican onyx boulders for the Western USA are more costly, harder to get on a regular basis and not as well quarried. . 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.