Labradorite 12x20-15x30mm Rounded Rough Collar - 15-16 Inch Color_Blue as well as gray and

as well as gray and white inclusions in marbled patterns

Australian Butter Jasper is a relatively new variation of Jasper that definitely meets that criteria

Hematite is black to steel-gray or silver-gray

Wood Opalite occurs in a range of colors

At that time yellowish gems were called "topaz" in many parts of the world

Labradorite 12x20-15x30mm Rounded Rough Collar - 15-16 Inch Color_Blue as well as gray andLabradorite 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.