Labradorite 6-8mm Faceted Irregular Heart - 8 Inch Mixed Stones Obsidian is produced when lava

Obsidian is produced when lava erupts from a volcano and cools rapidly with minimal crystal growth

from which its name was derived

and balance

Yellow Opal is transparent to opaque

where the stones are thought to have been originally found

Labradorite 6-8mm Faceted Irregular Heart - 8 Inch Mixed Stones Obsidian is produced when lavaLabradorite 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.