7. 5 " NATIVE COPPER NUGGET - Keweenaw Peninsula, Michigan - 4. 4 Lbs.
Item History & Price
| Reference Number: Avaluer:4354608 | Form, Shape: Nugget |
| Specimen Type: Display Specimens | Origin: Michigan |
| Item Type: Mineral Specimens | Modified Item: No |
| Type of Mineral: Copper |
Copper Nugget Size:7.5" x 5.4" x .9"Weight:4 lbs 7.1 ozLocation:Keweenaw Peninsula, Michigan 7.5" Native Copper Nugget from Michigan. A fantastic copper nugget formation rich in golden copper color. A natural formation lightly tumbled to remove outer matrix and round the rough edges of the copper. Piece weighs over 4 1/3 lbs. 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 great copper nugget specimen for display and study. Save shipping costs by combiningauction items for a period of up to a couple weeks. Shipping cost iscalculated based upon actual shipping and packaging costs depending on deliveryaddress and item weight and size with our discounted postal rates. We sendout combined shipping invoices after all auctions have ended for the day or youcan request one at any time. If for any reason you are unhappy with yourpurchase, you may return your item within 14 days of delivery for a fullpurchase price refund, shipping costs are non-refundable. DH Minerals is backed by 100percent positive feedback with over 10 years experience. Feelfree to send us a message with any questions you mayhave. Add dh-minerals to your Favorites on eBay as we'llbe listing many new quality mineral and fossil specimens and carvings weeklyyear-round!
00153
