Blue Hackmanite 6mm Round - 15-16 Inch 10x16-22x50mm Weight: grams: 85-230 grams

Weight: grams: 85-230 grams

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

most crystals are translucent

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

occasionally mingled with rust-brown

Blue Hackmanite 6mm Round - 15-16 Inch 10x16-22x50mm Weight: grams: 85-230 gramsDiscovered 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.