This miniature shows us a hexagonal crystal very well defined and faceted by the faces of the prism, truncated by the pinacoid and the faces of the hexagonal dipyramid are insinuated. Between transparent and translucent and allows us to see the colour zoning: violet on the faces and green in the core. An interesting curiosity. It is disposed very aerial on a matrix with siderite and muscovite. The main crystal is: 1,2 x 1,1 x 0,6 cm. 0,47 x 0,43 x 0,23 inc.