Embedded Chalcocyanite crystlals from Mount Vesuvius, Naples, Italy – 2 capsules as unique piece
This rare collector's item consists of two historic capsules containing embedded Chalcocyanite crystals from the famous Mount Vesuvius near Naples. The small blue-green crystal aggregates are enclosed within the host rock and have been preserved in the pictured capsules for safe storage. Although very small, the crystals are clearly recognizable under magnification and represent an interesting rarity from one of Europe's most important mineralogical volcanic regions. The offered capsules are exactly those shown in the picture.
Geology & Origin
Chalcocyanite is a rare copper sulfate that forms under oxidizing conditions from copper-bearing minerals. Mount Vesuvius near Naples is one of the world's most famous volcanoes and is renowned for its remarkable diversity of rare mineral species. The interaction of hot volcanic gases with pre-existing minerals has produced numerous rare sulfates and other secondary minerals at this locality. Minerals from Vesuvius are highly valued among collectors because of their scientific significance and their long history in mineral collecting.