An exceptional specimen of very thin „skin“ of chalcedony developed on large calcite scalenohedron crystals, lately dissolved. Chalcedony aggregates copy all small details of former calcite crystals, including crystal faces sculptures.
Extremely rare specimen of chalcedony thin coat on the top of steep scalenohedron calcite crystals. Chalcedony perfectly copied all details of the surface of calcite crystals . In the fallowed development of solutions, calcite was completely dissolved, and formed pseudomorph cast of calcite.