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

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

5-2 inches in size

Lapis lazuli

This beautiful Fluorite point can come in many colors and measures 1

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