EPR86CD4: Mammillary/botryoidal aggregate formed by crystals of Chalcopyrite known as the 'blister copper' variety.
A true antique and a classic of English mineralogy from the collection of Colonel John Wilson Rimington and which is accompanied by an original label and an old box, which we will send to the buyer. The prestigious Drouot auction house in Paris auctioned the piece in 1912.
Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall  England / United Kingdom

Specimen size: 2.4 × 2.3 × 2.1 cm = 0.94” × 0.91” × 0.83”