This specimen from the Broken Hill mine has an incredibly rich coating of the lead oxyde mineral: minium. Both sides are coated with this intense, reddish-orange lead oxide. Minium is pseudomorph after cerussite crystals. Highly representative of the species and the locality. With the handwritten label from Ausrox.

Size: 4.5 x 4.4 x 2 cm.
Found in ±1980.

Classic locality

Group of bustamite crystals, of good size and an intense orange-brown color, with visible faces. They are included in a matrix with calcite and galena. They present the natural brilliance, with exfoliation on some parts, this piece has not been acidified. Calcite is very active under UV light, with an intense orange emission. It is not very common to find pieces of this species and locality. It belongs to the collection of Joan Astor, with a handwritten label and another typewritten.

Size: 6.6 x 5 x 2.8 cm.
Main crystal: 4.6 cm.
Found in ±1977.

Col. J. Astor, Barcelona.
Calcite is fluorescent under LW-UV.