Botallackite & Connellite

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Levant Mine,Pendeen, Cornwall, England

Reference: 1766

Busy display specimen of Botallackite in lathe like emerald green crystals and botryoidal Connellite in places coating an unknown tan coloured mineral. Botallackite is a rare secondary copper mineral formed in areas where copper ores have come into contact with sea water.

Formula: Botallackite Cu₂[(OH)₃Cl]; Connellite Cu₁₉(SO₄)(OH)₃₂Cl₄^. 3H₂O