Ochoco Birdseye Rhyolite. This material came from near the North Ochoco Reservoir. Located in the Deschutes National Forest of Central Oregon. The rock hounding information says Agate & Jasper But somewhere near this area are thunder egg like nodules of Rhyolite. These nodules are usually browns, tans, yellows and cream, with not much pattern. But once in a while exceptional specimens like this turn up. This pendant is 42x19 ( 1.65” x .74” ) Chain not included