Dark rich brown, almost black. Best when fired to cone 5. The umber addition brings extra flux to the clay, making this a very tight body. You may wish to try clay/glaze buttons or test tiles before proceeding with a body of work. The intense clay color sometimes requires an extra coat of glaze.
 
Absorption = less than 0.05%
Total shrinkage = 12.25%
@ dry = 5.23%
@ bisque = 8.98%