Hello, and welcome to our listing! There are some small imperfections on the face and it’s been only partially polished, it will need additional work for a museum grade finish. This specimen is a pink chalcedony replacement of petrified wood from the Crook River in Oregon. The slab has a star shaped translucent banding pattern that can be seen all the way through the slab, it’s truly a running piece. This is an absolutely beautiful specimen and would be an excellent addition to any lapidary project or collection. We used a small amount of water to bring out the characteristics of the agate, no mineral oil has been applied. We try our best to capture on photo and describe all items to the best of our ability. If you would like additional pictures, please ask. Thanks for visiting our listing and have a great day! We will work with you to resolve most issues. If you are planning on purchasing multiple items, please wait to pay after you’ve completed your shopping.