Onyx Square Coaster Set 3.75" x 3.75" x .25" Points Petrified wood is the name

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

These stone rings are popular with women and those that want to make a fashion statement with their real black spinel accessories

Lapis lazuli

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 Petrified wood is the nameBeautiful 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