4.5" Rough NATIVE COPPER Specimen - Keweenaw Peninsula, Michigan

Description: Rough Native Copper Size: 4.5" x 3.6" x 1"114mm x 92mm x 25mmWeight:17.75 oz503 gramsLocation: Keweenaw Peninsula, Michigan 4.5" Native Copper specimen from Michigan. A fantastic natural rough copper formation rich in golden copper color. Piece weighs over 1 lb. Michigan's Keweenaw Peninsula is the most important locality in the world for pure native copper. Mining began in 1845 and continued until 1968 and over 5 million tons of refined copper was recovered from the mines. In the early 1900s it led the world in copper production and "Lake Copper" was the purity standard to which other refined copper was compared. Long before the mining operations began in the past century, pre-historic people mined copper from the mineral rich veins. A beautiful rough native copper specimen great for display, collection, and study. Save shipping costs by combining auction items for a period of up to a couple weeks. Shipping cost is calculated based upon actual shipping and packaging costs depending on delivery address and item weight and size with our discounted postal rates. We send out combined shipping invoices after all auctions have ended for the day or you can request one at any time. If for any reason you are unhappy with your purchase, you may return your item within 14 days of delivery for a full purchase price refund, shipping costs are non-refundable. DH Minerals is backed by 100 percent positive feedback with over 10 years experience. Feel free to send us a message with any questions you may have. Add dh-minerals to your Favorites on eBay as we'll be listing many new quality mineral and fossil specimens and carvings weekly year-round!

Price: 58 USD

Location: Acworth, Georgia

End Time: 2024-11-10T15:32:04.000Z

Shipping Cost: 0 USD