Excellent Blue Forest Petrified Wood slab – a specimen like this is what you hope to find and also one that represents much of what blue forest is all about. Great blue and white chalcedony – nice bluish/black background. Great variation of detail within the matrix. Excellent polish! Measures about 3 inches in diameter and stands 2 inches tall. Is rough and uncut on the reverse and rests nicely angled on flat surface. Weighs 1 lb 4 ounces.