- Diaboleite, Quartz (Var: Amethyst)
- Small Cabinet, 5.6 x 3.5 x 3.5 cm
- Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona, USA
Diaboleite is a rare lead, copper chloride. Diaboleite is one of the great treasures from the renowned Mammoth-St. Anthony Mine at Tiger. This fine combination specimen features a sharp, intense azure blue, 4 mm diaboleite crystal aesthetically set on the matrix wedge covered with sharp amethyst crystals, many covered with hematite. Old-time material from this famous locale. Ex. Dick Jones Collection.