Calcit on Amethyst - Quarry "Juchem", Niederwörresbach, Idar-Oberstein, Hunsrück, Rhineland-Palatinate, Germany
Fund 1970s, ex Friedrich collection
 
In terms of aesthetics and quality, this display case is absolutely flawless from the Juchem quarry near Idar-Oberstein. Perfectly sharp-edged Calcite with an intense orange-red color and a beautiful luster sit on high-gloss amethyst with a wonderful color. Pieces like this are extremely rare and stand out even in global comparison. 
Fantastic collector's item from Germany.