Copper oxalate

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Description

A rare light blue corrosion product that was found in the patina of the horses of San Marco in Venice.

Composition Cu(COO)2

Additional Information

V. Alumno-Rosetti, M. Marabelli. 'Analysis of the Patina of a Gilded Horse of the St. Mark's Basilica in Venice: Corrosion Mechanism and Conservation Problems". Studies in Conservation 12(4):161-70, 1976.