Quartz (Var: Chalcedony)
Pednandrea Mine, Redruth, Cornwall, England, UK
Chalcedony from this famous Cornish locality, closed in 1891.
I obtained this specimen during the Munich show of 2007 from Crystal Classics.
Ex Philadelphia Academy of Natural Science specimen and bears the number 2414 from the Dr. Thomas B. Wilson collection.
Collection and photo, Paul De Bondt.
© Collection and photo, Paul De Bondt