RB63J5: Chalcocite with Bornite - Carn Brea, Cornwall United Kingdom
Chalcocite with Bornite

Carn Brea, Pool, Illogan, Camborne - Redruth - Saint Day District, Cornwall  United Kingdom

Specimen size: 2.6 × 1.9 × 1.7 cm = 1.0” × 0.7” × 0.7”
Main crystal size: 0.6 × 0.3 cm = 0.2” × 0.1”

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