Stinking Water Plume Agate Slab - Botryoidal Center with White Plumes - Oregon High Desert mountain material Most of this is black

Most of this is black obsidian

It is a little softer

Here is a gorgeous larger slab of Indian Tree Moss with some well defined Moss Agate showing

Caldera Sunset Jasper

with some excellent teeth showing and a well preserved jaw line

Stinking Water Plume Agate Slab - Botryoidal Center with White Plumes - Oregon High Desert mountain material Most of this is blackStinking Water Plume Agate Slab Botryoidal Center with White Plumes Oregon High Desert This exceptional Stinking Water Plume features a botryoidal center surrounded by well defined white plumes that create a stunning display. From the high desert of southeastern Oregon, this slab showcases the classic plume patterns this location is famous for. It will make a fantastic display piece and take a satisfying polish when you're ready to work it.