is a somewhat rare secondary copper mineral that is
often associated with other copper minerals. It is found
radiating acicular crystals in beautifully colored specimens
with various shades of intense blue. Connellite crystals
typlically have a unique acicular to fibrous habit but
can also rarely be found as radiating inclusions in
Quartz. Connellite is related to the
The two minerals are isostructural and share the same chemistry.
by by James Dwight Dana in 1850 in honor of Arthur Connell
(November 30, 1794 - October 31, 1863), professor of
chemistry at St Andrew's University, Edinburgh, Scotland, who first
studied the mineral.
In England, in the Wheals Gorland, Unity, Edward, the
Botallack mine, and others in St. Just, and several
other mines in Cornwall. At Southwick Cliffs, near Dalbeattie,
Kirkcudbrightshire, Scotland. In the Britannia mine,
Snowdonia, Wales. At the Cap Garonne mine, near le Pradet,
Var, France. In the Sa Duchessa mine, Oridda district,
Sardinia, Italy. From Laurium, Greece, in slag. At Fontana
Rossa, Corsica, France. From Weibing, Salzburg, Austria.
In the Clara mine, Black Forest, Germany. In the USA,
in Arizona, from several mines at Bisbee and in the
Toughnut mine, Tombstone, Cochise County; in Utah, from
the Grand Central mine, Tintic district, Juab County
and the Gold Hill mine, Tooele County. At Spring Creek
and the Ediacara mine, Flinders Ranges, South Australia,
and at Broken Hill, New South Wales, Australia. In the
Marharahara mine, near Woodville, New Zealand. Increasingly
recognized from other minor localities.