CNX can make a ton of money with Zinc like IvanhoeIvanhoe may re-open it's Kipushi Zinc mine in 2025.
Look at these PEA numbers for Kipushi
After-tax NPV8% is US$941 million and IRR is 41%, based on long-term zinc price of US$1.20/lb, with pre-production capital cost of US$382 million. After-tax NPV8% is US$2.3 billion and IRR is 73% at current spot zinc price of approximately US$1.67/lb.