Description
These native copper crystals with malachite coating are from the Ray mine, Scott Mountain, Pinal County, Arizona, USA. This large open pit operation contains 55 different minerals including malachite and native copper. This piece consists of sharp well defined copper crystals with spinel twinned growth. They have a thin green malachite coating. This piece measures approximately 1 5/16 x 9/16 x 1/4 inches or 33 x 15 x 6 mm
