Labradorite 12x20-18x25mm Faceted Nugget AA Grade - 15-16 Inch Faceted Puff Coin Indigo gabbro is a color

Indigo gabbro is a color variant of the igneous mineral

discovered a way to improve the quality of turquoise in the 1980's

soft and fragile

as the main source of this stone comes from (as you can probably guess) Argentina

Biotite was named in honor of the French physicist Jean-Baptiste Biot

Labradorite 12x20-18x25mm Faceted Nugget AA Grade - 15-16 Inch Faceted Puff Coin Indigo gabbro is a colorLabradorite 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.