Blue Hackmanite 6mm Round - 15-16 Inch 10x16-22x50mm The name "heliodor" is derived

The name "heliodor" is derived from two Greek words: helios "sun

Crazy Lace Agate is a banded Chalcedony that naturally occurs as golden brown with layers of pink

was inspired by the stone and chose it for the interior decorations of Marlborough House in England

occasionally mingled with rust-brown

Blue Hackmanite 6mm Round - 15-16 Inch 10x16-22x50mm The name "heliodor" is derivedDiscovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem grade hackmanite; at best, most crystals are translucent. Hackmanite is the light pink to pale violet variety of sodalite. It is a particularly unusual gem because it exhibits a special optical property known as "tenebrescence," a type of reversible photochromism. Hackmanite is very reactive under UV light.