Azurite from Nizhne Tagil, Ural. This specimen was collected at the end of the 19th century. Although labeled Nizhne Tagil, it probably comes
from the Mednorudyansk mine.
A few Azurite specimen have been found in the Elbrusski mine, Caucasus. It is probably associated with malachite.
[all photo's/collection: Maurice de Graaf]