Decorative Banded Agate? Belt buckle. I'm unable to test Gemstones, but it is very nice looking and I didn't notice any issues. Aproximately 2 inches long. 

Please see pictures also as part of the description. 

Pre-owned Items may Show Wear or have Imperfections.

I'm happy to combine shipping with my other items or lots.

I take pictures and describe items as accurately as possible, however if for some reason you are unhappy with your purchase please contact me first before leaving less than positive feedback. I will work to resolve any issues that may arise.