Oval Shaped Labradorite Dangle EarringsThese Sterling Silver Labradorite gemstone dangle earrings would add a beautiful flash of color to any style and outfit. These radiant gemstones have been polished to perfection. Labradorite has a hardness of 6 6. 5 and is made up of a sodium calcium aluminum silicate. This stone was first found in 1770, on the Labrador Peninsula in Canada. It is favored for its gorgeous flashes of color, sometimes violet, green, gold, red, blue, and orange.