A very nice slab of agatized dinosaur bone from the Utah/Colorado Morrison Formationwhich dates to the late Jurassic sequence (155 million years ago - 148 million years ago) 1.33 ounces and approximately 3 3/8 inches in width x 2 inches in height at the bump, 1 1/4 at the short end and 4 mm in thicknessAn interesting combination, not often found of cream, tan and green cells in one piece. Photographed wet in daylight to show color and also dry to easier see any fractur...es or voids From a rock hounds 60 year collection of material Please check our other auctions for more dinosaur bone and petrified wood. Combined shipping available for multiple purchases to save you money. Please wait for an invoice. Shipping charges will be calculated and available options offered on the invoice.