This is a Michigan Red Jasper Lake Superior agate.

This is a whole agate. Not broken.
Has been cleaned and then applied mineral oil to bring out it's natural beauty. A nice display agate.

See photos. Photos are not colored enhanced.

Weighs - 2-3/4 lb.
Measures - 4-1/2" x 4" x 3-1/2"

Don't find them like this very often.