Blue granites are prized primarily for the beauty in their patterns. These textures or patterns come from the minerals of the stone. These patterns fall into two categories. They can be veined, meaning minerals create a different color from the base color and form veins or swirls in the stone. Blue Granite. Blue granites are prized primarily for the beauty in their patterns. These textures or patterns come from the minerals of the stone. These patterns fall into two categories. They can be veined, meaning minerals create a different color from the base color and form veins or swirls in the stone.Create stunning granite countertops, jaw-dropping waterfall islands, and simply exquisite accent walls and fireplace walls that will surely be the center of your design.