SALE ITEM IS SAME AS PICTURE SHOWN
RAINBOW BORNITE (Cu5FeS4, AKA PEACOCK COPPER) WITH A SEAM OF NATIVE SILVER SANDWICHED IN BETWEEN THE BORNITE. THE VEIN OF SILVER IS AS WIDE & HIGH AS THE SPECIMEN-4 X 2 3/4 INCHES! THE SPECIMEN DEPTH IS 2 INCHES AT THE GREATEST THICKNESS. THE SPECIMEN IS FROM FRESNITTO, ZACATECAS, MEXICO. NICE SIZE AND A GREAT COLORFULL DISPLAY FOR YOUR COLLECTION. VERY UNUSUAL AND INTERESTING.