Chalcophyllite
Specimen ID: FYY-MEH
Chalcophyllite : Cu18Al2(AsO4)4(SO4)3(OH)24·36H2O
5.5cm x 5cm x 2cm
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“Tabular aggregates of pastel green chalcophyllite on quartz-rich matrix.
Collected in 1896. Ex Richard Barstow collection. ”
Peter Haas - 10th November 2014
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