Ethiopian opal has a milky white to light amber base coloring and displays the play of color that makes opals both famous and highly desired for jewelry.
Amber
The popularity of richly colored amber has been growing even as it becomes harder and harder to find. After all, 50-million-year-old fossilized tree sap doesn't exist in infinite supplies.
Gemstone
A piece of mineral which, when cut and polished, is used for jewelry, clothing or décor. Some gemstone material is organic, such as amber, jet and pearl.