Powell Butte Plume Agate Slab - Black and White Plume in Blue cut on two sides making existing specimens irreplaceable pieces

making existing specimens irreplaceable pieces of lapidary history

Mexican Rainbow Obsidian is also known as Jalisco Obsidian

Collector’s HighlightA large Kambaba Jasper rough chunk with bold orbicular patterns

I am honestly unsure of what its composition is

Powell Butte Plume Agate Slab - Black and White Plume in Blue cut on two sides making existing specimens irreplaceable piecesPowell Butte Plume Agate Slab Black and White Plume in Blue Agate Ultra Rare Oregon Classic This very rare slab of Powell Butte Plume Agate displays well defined black plume alongside white plume set in a beautiful blue agate matrix. Some druzy pockets add natural character that could make a nice effect in finished pieces. The plume definition on this slab is something that is extremely hard to find today, with this material having not been dug for