Dumortierite 12mm Coin 8-Inch unique-rounds Agate has been prized for

Agate has been prized for its beauty throughout history

but unlike rubies

“Butter” suggests qualities of smoothness

displaying these colors in patterns of parallel bands

” Tourmaline is unusual in that it is both pyroelectric and piezoelectric

Dumortierite 12mm Coin 8-Inch unique-rounds Agate has been prized forDumortierite is an aluminum borosilicate mineral that varies in color from blue, green and brown to the more rare violet and pink. First described in 1881, the mineral was named for French paleontologist Eugene Durmortier (1803 1873). It is believed to bring the wearer water energy and to promote flow, control and orderliness.