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Mineralpedia Details for Wroewolfeite

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Wroewolfeite

Wroewolfeite

Named in honor of Caleb Wroe Wolfe, crystallographer and Professor at Boston University, Massachusetts, USA. Wroewolfeite is a rare hydrothermal mineral, forming in the oxidation zones of copper-bearing deposits and can occasionally be found as a post-mine mineral, forming in dumps and slags. Despite its rarity, Wroewolfeite is widely distributed, finding most of its localities in Europe, though it takes its type locality from the Loudville Mine in Massachusetts, USA.

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

Formula
Cu4SO4(OH)6ยท2H2
Crystal System
Monoclinic 
Crystal Habit
Encrustations 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
greenish blue, dark greenish blue 
Streak
light blue 
Class
Monoclinic - Domatic 
Hardness
2.5 
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Wroewolfeite from Bastnäs mines, Riddarhyttan, Västmanland, Sweden

Wroewolfeite
            from Bastnäs mines, Riddarhyttan, Västmanland, Sweden Light blue micro crystals or crystalline crust on matrix.
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Wroewolfeite from Penberthy Croft mine, St. Hilary, Cornwall, England

Wroewolfeite
            from Penberthy Croft mine, St. Hilary, Cornwall, England

Blue platy crystals scattered across matrix.

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