lapuz lazi or Chalcocite

Corning, CA(Zone 8a)

I am viewing this rock with my microscope and it has deep blue crystals and rocks in what appears to be white crystal quartz and other. Any ideas? I am in Shasta County, California. From teh outside the rock is dark greyish bluish green.

Thumbnail by leeannconner
This thread has 3 replies. This forum is accessible only to subscribing members of Dave's Garden. There are many free features here, and about half of our forums are completely open to all members. Take a tour of our site and learn more about Dave's Garden, and explore the benefits of becoming a subscribing member.

Want to join? Register here. Already signed up? Click here to login!