Chalcopyrite, Yaogangxian Mine, China New Jersey Minerals and weighs 16

and weighs 16

and a few transparent terminated quartz crystals

but can be easily removed upon request

This specimen belonged to the former mineral dealer Sherwin Berger

17 x 17 x 11 mm - Mounted In A Standard Perky Box

Chalcopyrite, Yaogangxian Mine, China New Jersey Minerals and weighs 16Chalcopyrite Yaogangxian Mine, Chenzhou, Hunan, China Ex. Greg Boles Collection 25 x 21 x 20 mm Mounted In A Standard Perky Box This mineral specimen is from the collection of Gregory Boles. Greg has had a lifelong passion for collecting minerals and other geological items. His hobby started at an early age in 1956 and continues to this day. Greg's enthusiasm for science led him to receive a BS in geology from the University of Kansas in 1987. He