Prudent man agate is a relatively new discovery of premium quality plume agate located in the Alder Creek Mining district near Mackay, Idaho. The mine owner is Steve Howard 3142 N 125 W Idaho Falls, ID 83402 Phone 208-520-2449 If you are looking for rough here is a link to his site http://www.prudentmanagate.com We have this pendant for sale. It measures 39x27mm (1.52" x 1.07") Chain not included.