The discovery of neptunite is a relatively recent occurrence, dating back to just over a century ago. It's not one of the most common minerals by itself, but it mingles with Benitoite, the state gem of California. Almost all specimens of neptunite come from one area of California and occasionally Canada or Greenland.
Hardness:
5 - 6
Density:
3.24 g/cm³
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Properties
Values
Characteristics
Cultural
Common Questions
General Info About Neptunite
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Physical Properties of Neptunite
Luster
Vitreous
Diaphaneity
Opaque
Colors
Black
Magnetism
Non-magnetic
Tenacity
Brittle
Cleavage
Perfect
Fracture
Conchoidal
Streak
Cinnamon-brown
Crystal System
Monoclinic
Hardness
5 - 6 , Moderate
Density
3.24 g/cm³, Normal Weight
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Chemical Properties of Neptunite
Chemical Classification
Silicates
Formula
Na2KLiFe2+2Ti2Si8O24
Elements listed
Fe, K, Li, Na, O, Si, Ti
Common Impurities
Ca
Optical Properties of Neptunite
Refractive Index
1.692-1.734
Birefringence
0.029-0.045
Pleochroism
Pale yellow, yellow-orange, orange to red-brown
Optical Character
Biaxial positive
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Rarity
Rare
Characteristics of Neptunite
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Cultural Significance of Neptunite
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Distribution of Neptunite
It was first described in 1893 for an occurrence in the Narssârssuk pegmatite of West Greenland. It is also found within natrolite veins in glaucophane schist within serpentinite in San Benito County, California, US. It also occurs in Mont Saint-Hilaire, Quebec and in the Kola Peninsula of Russia.
Etymology of Neptunite
The mineral is named for Neptune, Roman god of the sea because of its association with aegirine from Àgir, the Scandinavian sea-god.
Healing Properties of Neptunite
Neptunite is said to be a shield that protects the user from negative forces and helps them to meet the challenges of everyday life. It is believed that it opens the Third Eye and Throat chakras for enhanced psychic abilities and communication with other realms. It is also believed to aid a person when speaking their truth, to enhance clarity and build confidence.
Chakras
Throat, Third Eye
Common Questions People Also Ask
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