Dufrenite & Cyrilovite

Gunheath Pit, Bugle, St. Austell, Cornwall

Reference: 2454

Balls of brown to black dufrenite with a little associated cyrilovite. Ex. Richard Braithwaite collection

Formulas: Dufrenite Ca_0.5Fe²⁺Fe³⁺₅(PO₄)₄(OH)₆^. 2H₂O ; Cyrilovite NaFe³⁺₃(PO₄)₂(OH)₄^. 2H₂O

Status: Sold

Dimensions: 57x45x32mm

Size: Miniature (M)

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