DG Sparkle, Diamond Dust. Add some bling to your DG! Decomposed Granite SparkleMIGHTY109 DG Sparkle brings a sparkling finish to Decomposed Granite pathways and patios. With a subtle, eye catching glimmer, DG Sparkle adds a touch of magic to your outdoor area. Installation is simple: sprinkle on existing or completed decomposed pathways and increase coverage gradually for a custom look. To maintain a pristine look, simply sweep or broom as needed. One package covers 150 400 square feet.