Dramatic and razor-sharp cityscape complex of honey-brown Calcite rhombohedra with excellent luster. MOREOVER, there are flashes of color iridescence, on the surface (micro-inclusions of oil, maybe?). Most of the edges are very gemmy, and there is but one contact point in one corner. As Calcites go, this in not only quite eye-catching, but unusual and very aesthetic. MUCH MORE DRAMATIC AND 3-DIMENSIONAL in person, like a computer-graphic in 3-D!