Chalcopyrite pseudomorph after chalcocite

Chalcopyrite pseudomorph after chalcocite

Judkins Quary, Nuneaton, Warwickshire, England


These unusual pseudomorphs were found in the 1980's for a short time at Judkins quarry in the West Midlands.  This is a fine example of chalcopyrite thought to be after acicular chalcocite with crystals up to 10mm associated with a little calcite and sugary barite.  For further details see Roy Starkey's book  'Minerals of the English Midlands' -  Page 323.

Formulas : Chalcopyrite CuFeS2 ; Chalcocite Cu2S


Status: Available

Dimensions: 42x30x15mm

Size: Miniature (M)

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