Onyx Square Coaster Set 3.75" x 3.75" x .25" Points 5" tall and come in

5" tall and come in beautiful variety of different crystals: Aventurine

The cut is natural freeform and the stone size measures about 1"

5-2 inches in size

while others use them in group settings to bring people together in a shared experience

Onyx Square Coaster Set 3.75" x 3.75" x .25" Points 5" tall and come inBeautiful 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