Macrophotograph of the mineral amethyst with 'eyes' (micro clay tubules surrounded by banded agate); mined in Uruguay. Image #...

Amethyst Eyes 1

Uruguay

Macrophotograph of the mineral amethyst with 'eyes' (micro clay tubules surrounded by banded agate); mined in Uruguay.

Image #2362

Photo © copyright by Mark Windom.

Related Galleries: Rocks and Minerals