Sangria Summer Red Boulders This D. G. material varies from wine red to dark red. Red Granite Rock Like a tall cool glass of sangria with ice-cubes, Summer Sangria is bright and attractive mid range red colored granite with thousands of tiny quartz elements that cause it to sparkle in the sunlight. The rock material varies from wine red to dark red, many boulders have patches of white quartz. Summer Sangria Red Granite rock is an excellent decorative red groundcover rock material. Available in many sizes from decomposed granite like groundcover and pathway material, to 3/4" crushed rock for planterbeds and landscapes. Larger sizes and boulders are available. These boulders are blasted angular quarry run boulders. The boulders come in various shapes and sizes ranging from 12" to 60" in length and width, even larger. This rock material is shipped bulk, palleted and specimens on low-beds throughout California and Reno Nevada. Specimen boulders are hand-picked by us from the large masses of 1000's of tons of boulders at the quarry. Sangria Summer Red D. G. comes in 3/8" and 1/4" minus screen sizes. This rock material is shipped bulk or in SuperEarth-sacks throughout California and Reno Nevada. Specimen boulders are hand-picked by us from the large masses of 1000's of tons of boulders at the quarry.