Dufrenite & Cyrilovite

Gunheath Pit, Bugle, St. Austell, Cornwall


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

Formulas: Dufrenite Ca0.5Fe2+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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