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Mineralpedia Details for Connellite

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Connellite

Connellite

Named after the first examiner of the mineral and Professor of Chemistry at St. Andrew’s University in Edinburgh, Scottish chemist Arthur Connell. Connellite is an uncommon mineral that occurs as a secondary mineral in oxidized copper deposits in localities in England, Scotland, Wales, France, Italy, Greece, Austria, Germany, the United States, Australia, and New Zealand, among several other m ore minor localities. Minerals associated with Connellite include cuprite, spangolite, atacamite, botallackite, langite, malachite, and azurite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/connellite.pdf

Formula
Cu36(SO4)(OH)62Cl8·6H2
Crystal System
Hexagonal 
Crystal Habit
Acicular, Fibrous, Radial 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
blue green, light blue 
Streak
light blue green 
Class
Hexagonal - Ditrigonal Dipyramidal 
Fracture
Uneven 
Hardness
WebMineral
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Mindat
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Connellite from Gold Hill mine, Tooele Co., Utah, United States

Connellite
            from Gold Hill mine, Tooele Co., Utah, United States

Bright blue acicular crystal sprays to about 1mm.

Vivid blue fine acicular Conellite in a nice spray to 3mm. Associated with green crystalline possible Atacamite.

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CONNELLITE from Wheal Edward, St. Just dist., Cornwall, England

CONNELLITE
            from Wheal Edward, St. Just dist., Cornwall, England

Connellite on quarts with good coverage on three sides, with strong color. and small grains of various sulphides present in the quartz.  Originally named 'Tallingite' and later found to be Connellite.

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Connellite from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Connellite
            from Sterling Hill mine, Ogdensburg, Sussex Co., New Jersey, United States

Excellent rich specimen with hundreds of little radial sprays of blue Connellite.

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