metamorphic
Nuummite
Nuummite (mixture of Gedrite and Anthophyllite)
AI-generated identification · may be incorrectMohs hardness of 5.5-6.0, opaque, vitreous luster. Color is typically black or dark grey with striking iridescence (labradorescence) in gold, yellow, copper, red, blue or green. Crystal structure is orthorhombic.
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Physical properties
Mohs hardness of 5.5-6.0, opaque, vitreous luster. Color is typically black or dark grey with striking iridescence (labradorescence) in gold, yellow, copper, red, blue or green. Crystal structure is orthorhombic.
Formation & geological history
Formed during the Archean Eon, making it one of the oldest rocks on Earth (approx. 3 billion years old). It is a metamorphic rock formed under high heat and pressure. Found primarily in Nuuk, Greenland.
Uses & applications
Mainly used as a gemstone in jewelry, especially as cabochons, pendants, and tumbled stones. Highly prized by crystal collectors and in metaphysical communities.
Geological facts
Nuummite is often called the 'Sorcerer's Stone' in metaphysical circles due to its age and appearance. It is one of the oldest known minerals on Earth, discovered in 1982 in Greenland.
Field identification & locations
Identified by its dark base color with distinctive elongated, iridescent flashes. Primarily found in Greenland, though some similar materials are found elsewhere, true Nuummite is rare.
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