10lb COVELLITE SPECIMEN. BUTTE MONTANA LEONARD MINE. D

This is a museum specimen of covelite. It is completely covered in fine blades of crystals. I have never seen a piece like this. It is a large cabinet specimen.the indago blue color, around the edge of the cluster. Is shocking purple. I have searched for days online and can not find anything that comes close to this spectacular piece. We can shoot a video for serious buyers. 

It weights a whopping 10 pounds. 7 1/2" x 7 1/2"" x 4"

The blades are 1 1/2" tall. It has natural green oxidized copper chalk type material between some of the blades..

One of a king irreplaceable mineral specimen.