Wheal Phoenix, Phoenix United Mine, Minions, Linkinhorne, Liskeard Dist., Cornwall, England
Small, green colored Chalcosiderite crystals are within a few vugs of a vuggy piece of Goethite which has a boxwork structure in places. This is the type location for the rare phosphate, Chalcosiderite.
Condition: Fairly Good
Flaws: Much of the Goethite are broeken surfaces. The Chalcosiderite crystals are in excellent condition.