Connellite Cu19(SO4)(OH)32Cl4·3H2OLocality:Madonna di…




Madonna di Fucinaia (Madonna della Fucinaia) slag heaps, Campiglia Marittima, Campigliese (Campiglia Mountains; Campiglia Ridge), Livorno Province, Tuscany, Italy  

Largest Crystal Size: 2.17 mm

2.17 mm tuft of blue-blue dark Connellite crystals.

Photo Matteo Chinellato

Connellite is a rare mineral species, a hydrous copper chloro-sulfate.  It occurs as tufts of very delicate acicular crystals of a fine blue color, and is associated with other copper minerals of secondary origin, such as cuprite and malachite. Soluble in acids and in ammonium hydroxide. Insoluble in water.

Register, upload your video and earn revenue here