Dendritic opal from Utah showcases finely detailed splays of black dendrites in a caramel - colored common opal.  Nature at its finest. This material will make magnificent scenic cabs.

Origin:  Utah

Dimensions: 3" x 2.25" and approximately 7.4 mm thick.  Weight = 87 grams. 

Shown wet.  Not polished. Known flaws are shown as white lines in the last picture frame.