uncommon
red jasper
iron-stained chert
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 grey hematite as jaspilite.
What it gets mistaken for
The facts
- also callediron-stained chert
- age~1.9-2.1 billion yrs
- where it turns upSuperior float ยท Marquette, some south
- on the chartuncommon · 750 stickers ever
Put it on the shelf
Every stone on this chart is drawn and kiss-cut at three inches. The rarer the stone, the fewer exist: only 750 red jasper will ever be printed, then the run is retired.
10% of every order goes to the Roscommon County Animal Shelter.