Admired since ancient times, natural quartz is prized for its extraordinary natural design. These vintage 1970s gems are polished and present the beautiful array of blue grayish colors and hues that nature dictated with gold speckles. Weighty and elegant, they prop up books on your desk or shelf or can simply be presented as they are. These bookends on one side present their beauty of color with pockets of mineralization that glisten, while on the other, Brutalist like rock manifests. Modernist and organic. Beautiful complements to any decor