Outside Ring from the top, Clockwise:
Obsidian/Maple
Parrotwing/Chrysocolla
Petrified Wood/Maple
Petrified Wood/Osage Orange
Blue Lace Agate/Black Acacia
Chrysocolla/Buckeye
Obsidian/Maple
PictureJasper/"Chocolate"Maple
Leopard Jasper//Mesquite
Jasper/Spalted Pecan
Sodalite/Maple
Petrified Wood/Brazilian Cherry

Inside Ring from the top, Clockwise:
Picture Jasper/Black Acacia
Brecciated Jasper/"Chocolate" Maple
Malachite/Mesquite
Varisite/Mesquite
Chrysocolla/Spalted Pecan
Unikite/Madrone

 

Obsideon in Curly Maple

Malachite in Mesquite

Picture Jasper in "Chocolate" Maple

Leopard Jasper in Mesquite