Stilpnomelane, Adularia, Epidote
Wallis (Valais), Switzerland
Small Cabinet, 5.8 x 5.7 x 3.5 cm
Lustrous, black plates of stilpnomelane to 9 mm are aesthetically grouped together around a contrasting cluster of off-white adularia crystals on matrix richly covered with olive-green epidote crystals on this showy and fine specimen from Switzerland. Stilpnomelane is an uncommon layered silicate, related to mica and chlorite group minerals and this is a very highly representative specimen, with nice association. One end has been sawed to enhance display. Ex. Steve Smale Collection.