Coprolite Slab - Cow Patty Structure Utah well-defined detail or rainbow

or rainbow

The unknown origin adds intrigue while the quality speaks for itself

It does tend to take a matte polish without treatment

Depleted Mexican lace agate variety

Carey Plume Agate

Coprolite Slab - Cow Patty Structure Utah well-defined detail or rainbowCoprolite 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