Labradorite 12x20-15x30mm Rounded Rough Collar - 15-16 Inch Color_Blue Its inclusions of red

Its inclusions of red

as well as gray and white inclusions in marbled patterns

They are rough specimens but polished on one side to show off all it's amazing colors

however it does exhibit a lustrous sheen referred to as “opalescence

who was a great admirer and collector of gemstones

Labradorite 12x20-15x30mm Rounded Rough Collar - 15-16 Inch Color_Blue Its inclusions of redLabradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as labradorescence, taking its name from the stone. Labradorite is usually gray to green, dark gray, light gray or black. It was discovered in Labrador, Canada in 1770 and named for the area, though it is referenced as a highly revered stone in much older Inuit tribal legends.