grail
copper agate
native copper in the bands
The tell
Chalcedony and native copper in the same stone: a solid metal field meeting milky blue-white silica, usually with a crusty red-maroon or green oxide seam between them.
On a cut and polished face the copper shows fine dark flow-lines where the wheel cut down through its growth layers, like the end grain of a burl. That is the tell nothing else has.
These come out of mine rock piles on private ground, not off a beach. Ask before you walk on, and take the no for an answer.
What it gets mistaken for
The facts
- also callednative copper in the bands
- age~1.06 billion yrs
- where it turns upKeweenaw rock piles ยท private land
- the field markbanded, and one band is metal that dents
10% of every order goes to northern Michigan animal shelters.