Storm Mountain Wall Rock This stone is typically found in quarry located in Idaho, particularly in the Rocky Mountains. The color of Storm Mountain Wall Rock can vary from warm, earthy tones to cool grays and blues. The most common colors include shades of tan, beige, brown, and gray, with occasional hints of rust and red. These natural variations in color give the stone a warm and inviting appearance that blends beautifully with the surrounding environment. Storm Mountain Wall Rock is a type of quartzite stone that is popularly used in landscaping for creating retaining walls, garden borders, edging, and other decorative elements.