Labradorite 6-8mm Faceted Irregular Heart - 8 Inch Stone Type_Black Gold Amazonite is a calcium aluminium hydroxy

is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals

In any case

It also serves as the Mohs hardness scale index mineral for a hardness of 8

To measure an item

bubbles and crystal to rich layers that form as lava flows onto the surface of stone — and can look very different depending on how that lava erupts

Labradorite 6-8mm Faceted Irregular Heart - 8 Inch Stone Type_Black Gold Amazonite is a calcium aluminium hydroxyLabradorite 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.