-40%
White Pine Copper Mine, Native Copper & Cast Copper Items, 13 Pieces
$ 31.67
- Description
- Size Guide
Description
Thirteen pieces of native copper and cast copper from the former White Pine copper mine at White Pine, Michigan.This lot includes:
Cast copper puck, 1 pound
cast copper cup 1-1/4 pounds
cast copper cylinder 6 ounces
cast copper rod 4 ounces
cast copper assay button 8 ounces
cast copper piece ? 8 ounces
Cathode copper nodule 5-3/4 ounces
Cathode copper button 1 ounce
Smelter copper 13-1/2 ounces
Thin sheet copper 3 ounces
Thick sheet copper 13 ounces
Shale with copper, slabbed 6-1/2 ounces
Copper shavings 2 pieces 1 ounce
Shown next to a half dollar.
Ingots were being poured up until 1982, when the mine began producing pure copper by the electrolytic process.
See my book for pictures and information,
White Pine Copper: An Illustrated History of the Mine and Its Ingots.
This book is available from my ebay store.
The White Pine mine produced over 4 billion pounds of copper and 45 million ounces of silver from 1955 to 1995.
Shipped by padded flat rate envelope.
If you buy more than one lot in my sale, I will reduce the postage, but please wait for the combined shipping invoice before you pay.