Labradorite 4mm Coin Faceted AAA Grade - 15-16 Inch 4mm Purple Stromatolites date back more than

Stromatolites date back more than three billion years and are the oldest known fossils

although the colors are much more muted

white and occasionally gray or brown

Smoky Quartz is a translucent smoky brown or gray variety of Quartz

frequently complemented by tans

Labradorite 4mm Coin Faceted AAA Grade - 15-16 Inch 4mm Purple Stromatolites date back more thanLabradorite 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.