- Salm-Chateau, Vielsalm, Stavelot Massif, Luxembourg Province, Belgium
- Miniature, 3.5 x 2.5 x 1.5 cm
Ardennite-(As) is a rare silicate named for the Type Locality in the Ardennes Mountains of Belgium. This extremely rich and showy specimen is covered with sparkly, brown ardennite-(As) microcrystals to 3 mm on a quartz-rich matrix and is from the Type Locality. Ex. George Elling Collection.