Dumortierite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch faceted-main often called the "Super Seven"

often called the "Super Seven" or "Melody Stone" contains Amethyst

which may form green stains or specks on Azurite crystals or aggregates

Some pearls form naturally in mollusks either in the sea or freshwater such as rivers

Agate has been discovered with artifacts from cultures of the Neolithic Period

mined since 4000 BCE

Dumortierite 8x10-9x13mm Side Drilled Pebble - 15-16 Inch faceted-main often called the "Super Seven"Dumortierite 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 to 1873). It is believed to bring the wearer water energy and to promote flow, control and orderliness.