Onyx Square Coaster Set 3.75" x 3.75" x .25" Albite The intricate pattern of the

The intricate pattern of the semi-precious stone is accented by the sterling silver setting

This extra-large multi-tone Botryoidal Malachite displays well and is a beautiful addition to any collection

Elegant White Onyx Freeform Bowl is a beautiful and durable decorative bowl made from white onyx that is sculpted into a free-form shape

With a variety of colors and sizes available

Onyx Square Coaster Set 3.75" x 3.75" x .25" Albite The intricate pattern of theBeautiful Onyx Square Coaster Set. Each coaster measures individually 3. 75" x 3. 75" x . 25". Features natural colors of amber, white, and grey. Agate and Onyx are both varieties of layered chalcedony that differ only in the form of the bands. Agate has curved bands and onyx has parallel bands. Onyx primarily refers to the parallel banded variety of the silicate mineral chalcedony and is rated at a 7 on the Mohs hardness scale. The colors of its