A species of Metamorphic, Also known as Sorcerer's Stone
A rock of volcanic origin, nuummite was probably formed 3 billion years ago. Although it's one of the oldest rocks on Earth, it wasn't discovered and described until the 1980s. Found only in Greenland, nuummite is very difficult to mine due to the climate and freezing temperatures. It's very rare and is sometimes polished into gemstones.
Hardness:
5.5 - 6
Density:
2.85 - 3.57 g/cm³
On This Page
Properties
Health Risk
Values
Characteristics
Cultural
Common Questions
General Info About Nuummite
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Physical Properties of Nuummite
Texture
Foliated
Colors
Black, gray, brownish-black with blue, red, green, violet, or golden-yellow iridescent flecks
Magnetism
Potentially Magnetic
Grain Size
Coarse grained
Streak
Reddish gold
Hardness
5.5 - 6 , Hard
Density
2.85 - 3.57 g/cm³, Normal Weight
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Chemical Properties of Nuummite
Formula
(Mg2)(Mg5)Si8O22(OH)2
Optical Properties of Nuummite
Refractive Index
1.635-1.663
Birefringence
0.022
Optical Character
Biaxial negative
Health Risk of Nuummite
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What is the hazards of Nuummite?
Harm Type
Physical Toxicity
Nuummite in powdered form can be toxic due to its Anthophyllite Asbestos content.
How to prevent the risks of Nuummite?
Avoid inhaling its dust!
Nuummite is safe to handle except in powder form. If you plan to cut or polish nuummite, it's advisable to wear a dust mask to avoid inhaling any dust. Asbestos fibers are hazardous when inhaled, as they can lead to serious lung disease.
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Rarity
Uncommon
Characteristics of Nuummite
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Cultural Significance of Nuummite
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Uses of Nuummite
Nuummite is highly prized for ornamental uses due to its beautiful properties such as iridescence. It polishes well and is used to make unique and rare jewelry like beads and cabochons cut for pendants. Decorative objects are also carved from this material.
Common Questions People Also Ask
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