Eudialyte 8mm Round - 15-16 Inch 13x40mm Azurite in crystal form is

Azurite in crystal form is extremely rare and expensive

It's a beautiful specimen

pink and golden mottling and spots within the primarily black stone

as well as some occurrences of dark gray

Iolite most commonly occurs in shades of blue-gray

Eudialyte 8mm Round - 15-16 Inch 13x40mm Azurite in crystal form isEudialyte is a complex silicate mineral that most commonly forms in granular patterns. It is usually found within coarse grained rocks and contains calcium, cerium, sodium, iron, manganese, zirconium, and yttrium. This stone ranges in color from pink and red to brown, violet, and even green; sometimes with inclusions of Black Tourmaline. It was first discovered in Greenland by F. Stromeyer in 1819 and was named after the Greek words eu dialytos