Toll-Free 888-331-7625 or 307-754-4681 | Shopping Cart | About Us - Company Info | Contact Us Page | Home Page Cab: Tempskya, 30 x 40mm $30.00 The oval tempskya (Knowltoni) cabochon pictured to the left is 30mm x 40mm. The unique material is from Oregon and is a rare fossilized fern from the Cretaceous age. The color is mainly brownish golden with brownish red. To cab your own tempskya, see Tempskya (Knowltoni) slabs and rough for slabbing is found listed under Tempskya fossilized fern. This is the cabochon you will receive. Related Items Here are some products that may also be of interest to you: • Tempskya fossilized fern