Coprolite Slab - Cow Patty Structure Utah unidentified mineral inclusion They quickly became the classic

They quickly became the classic idea of a thunderegg for collectors worldwide

The multi-color moss palette in a single piece is unusual for San Carlos and gives this chunk exceptional slab yield potential

and usually under bright light

it may be from either Australia or Madagascar

Mexican Velvet Obsidian is a higher-grade volcanic glass that generally cuts cleanly and polishes to a brilliant shine

Coprolite Slab - Cow Patty Structure Utah unidentified mineral inclusion They quickly became the classicCoprolite Slab Fascinating Cow Patty Structure Old Stock Utah Fossil This intriguing slab of old stock Coprolite from Utah features the most interesting structure appearing like a cow patty before cutting, making this one of the most captivating coprolite formations. This is a nice and solid slab that should make exceptional cabochons for fossil collectors who appreciate unique paleontological specimens. SPECIFICATIONS Material: Natural Coprolite