-40%
2.9 OZ SLAB FROM THE DEFUNCT ALGOMAH COPPER MINE IN ONTONAGON COUNTY UPPER MICH
$ 4.75
- Description
- Size Guide
Description
Up for your consideration is a slab from the Algomah Copper mine near Mass Michigan Ontonagon County Upper MI.The slab measures about 2 5/8" X 2 1/2" X 5/16" thick.
Slabs may have hair cracks and saw marks in them. Pictures taken with artificial lighting & taken wet.
I COMBINE SHIPPING. IF BUYING MORE THEN ONE ITEM PLEASE WAIT UNTIL I INVOICE YOU BEFORE PAYING
The composition: Blue is
Chrysocolla Green is Malachite Black or Grey is Tenorite Red is Feldspar. Tenorite is a heavy Copper Oxide,
past operations took place from 1910 thru 1956 off and on.
Thanks for stopping in. Jerry