Owned by Harry Podschwit (@space_coyote).
The specimen exhibits conchoidal fracturing and translucency characteristic of chalcedony.

Chalcedony · Cheyenne, WY
The specimen exhibits conchoidal fracturing and translucency characteristic of chalcedony.
Chalcedony · Cheyenne, WY
The specimen exhibits conchoidal fracturing and translucency characteristic of chalcedony.