Known to be “The oldest mineral in existence”, Nuummite is a laminate, or sheet of compressed rock. It is found in an area north of Nuuk, Southern Greenland. The area in which it is mined is accessible by boat only, in an iron-ore region which dates back over 4 billion years. It Has a mohls hardness of 5.5-6. It is normally worked as cabochon or as flat peices to show the colours off to best effect