15dm314 ((COPPER CONGLOMERATE)), $10 MINIMUM BID, Keweenaw Peninsula, Michingan, 6.5 x 6.5 x 3 cm, Miniature | |
Here is a specimen with Copper filling in the seems between the conglomerate pebbles. One side sawn flat and the other side natural. The sawn sides copper now has oxidized and does not stand out. If cleaned with Copper cleaner, the lustrous Copper will stand out as it did when originally sawn. ex Dennis McMurdie collection. |