Tempskya is a rare silicified or agatized fossilized fern (Knowltoni) from Baker County, Oregon, dating back to the Cretacious Age. This is prime material. Color is mainly brownish- yellow with some containing brownish- red. Excellent replacement characteristics which will take a nice polish. Pieces average 6" across and 5 to 23 pounds each. See a picture of a slab of Tempskya and more fossil slabs listed under the category FOSSIL SLABS FOR CABBING. The rough price for tempskya is $12.00 for one pound of material.