TWINKLE BLACK QUARTZTwinkle Black Quartz surface features a consistent black background and a coarse grain in deep tones. The Twinkle Black quartz agglomerate slab revives a design that dominated furniture and architecture for the majority of the 20th century in a way that is both nostalgic and modern. On a dark background with a medium grain of black, there are sporadic bright and translucent specks. Though quartz does resist stain for a brief period. Permanent stains