uncommon
red jasper
chert reddened by rust · the iron ranges
The tell
Dead opaque red. Hold the edge to the sun and no light gets through at all. Carnelian at the same thickness glows orange.
Jasper is chert stained red by iron. On the Marquette shore it turns up welded to gray hematite as jaspilite.
What it gets mistaken for
The facts
- also calledchert reddened by rust · from the iron ranges
- age~1.87 billion yrs
- where it turns upSuperior shore · Marquette Co. best
- the field markdead opaque at a thin edge · carnelian glows orange there
10% of every order goes to northern Michigan animal shelters.