Sodalite 6mm Square Faceted - 15-16 Inch Best of Azurite in crystal form is

Azurite in crystal form is extremely rare and expensive

It picks up a lot of sweat and grease when it's worn as jewelry

A natural blue form of calcium sulfate

and most commonly found with black inclusions

but truly unique

Sodalite 6mm Square Faceted - 15-16 Inch Best of Azurite in crystal form isSodalite is named for its sodium content and may be classified as a feldspathoid. Blue Sodalite is sometimes referred to as poor mans lapis because of its similar color and much lower cost. Queen Victorias granddaughter, Princess Patricia of Connaught, was inspired by the stone and chose it for the interior decorations of Marlborough House in England. This prompted an alternative name for the gemstone: Princess Blue.