Chalcopyrite with Bornite, Tetrahedrite

specimen number:
1801005

location:
Herodsfoot Mine, Lanreath, Menheniot, Cornwall, England, UK

description:

Large sharply formed crystals of tetrahedrite to 1.5 cm across, these coated with beautiful bluish to greenish iridescent micro chalcopyrite crystals. Over the top of these are spherical shaped crystal groupings of intergrown bornite and chalcopyrite to 0.5 cm in diameter. These latter are known as blister copper. Displays nicely, very minimal damage to the edges of the piece. Measures 7.0 x 5.0 x 4.5 cm in size. A somewhat unusual and quite nice combination piece for this famous locality. Shipping weight: 0.65 pounds. Ex Ed Raines collection.

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