peru copper industry ore hardness

peru copper industry ore hardness - miningmalaysia.com- peru copper industry ore hardness ,Copper – British Geological Survey. Copper is relatively soft (2.5–3.0 on Moh's scale of hardness). Other accounting for approximately half of all copper production.Five major copper mines to begin operations in Peru by ...Five major copper mines to begin operations in Peru by ... $9.7 billion to the local economy coming from mining, ... Peru holds13% of the world's copper ...