Onyx Square Coaster Set 3.75" x 3.75" x .25" Points Legend states that there was

Legend states that there was once an advanced ancient civilization called Lemuria

Petrified wood is the name given to a special type of fossilized remains of terrestrial vegetation and is rated at a 7 on the Mohs hardness scale

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

each measuring between 0

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

Onyx Square Coaster Set 3.75" x 3.75" x .25" Points Legend states that there wasBeautiful 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