Petrified Wood from Grassy Mountain, Malheur County, oregon. Amazing Patterns and Grains! Polished both sides to a Mirror Finish. Not a professional photographer but will let the photos do the talking for this piece. Dimensions: 5.25″ x 5″ x. 75 Weight: 483 Grams or 1#. The item “Petrified Wood Grassy Mountain Oregon, Polished both Sides Museum Quality 483g” is in sale since Friday, August 10, 2018. This item is in the category “Collectibles\Rocks, Fossils & Minerals\Fossils\Vegetation\Petrified Wood”. The seller is “martyhinnenkamp” and is located in Caldwell, Idaho. This item can be shipped worldwide.