Oregon Black Agate w Plume and Marcasite Cabbing Rough Flatrate Lapidary Stone Piranha Agate and allowing us to further

and allowing us to further work on our polishing skills

One Pound is generally 1-2 geodes

we love to grind and polish the ends and to keep them as display pieces

though the general leading theory is coprolites

Howardite is Opalised Silicate

Oregon Black Agate w Plume and Marcasite Cabbing Rough Flatrate Lapidary Stone Piranha Agate and allowing us to furtherThis is a Black Oregon Agate from near Prineville, Oregon. This material is from an old estate sale. So far as I know, it was never mined or marketed. It does have some really nice looking plume and marcasite in some of it, but it is hard to photograph due to the darker color scheme and the poor lighting here. I have not worked any, so I'm unsure of how it does. It appears solid, but some voids are present. These could however be incorporated for a