Narsarsukite

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Physical & Optical Properties

Mohs Hardness 6,0 – 7,0
Specific Gravity 2,72 – 2,83
Refractive Index 1,61 – 1,647
Crystal System Tetragonal
Luster Vitreous,Pearly
Cleavage Perfect
Fracture Uneven,Sub-Conchoidal
Color various
Birefringence 0,033

Mohs Hardness

Mohs Hardness: 6,0 – 7,0
1 Soft10 Hard

Crystal System

a b c Tetragonal a = b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Moderate ($50-500/ct)

About Narsarsukite

Narsarsukite is a rare sodium iron titanium silicate mineral forming yellow to honey-brown or greenish tetragonal crystals with a vitreous luster in alkaline igneous rocks and nepheline syenites. It was first described from Narsarsuk (Narssarsuak) in Greenland in 1900 and occurs additionally in the Mont Saint-Hilaire complex in Quebec, Canada, and in Ontario. Transparent yellow faceted material is a rare collector gem of purely mineralogical significance.

Jewelry Use

Durability 5/10

Science FYI Family

Frequently Asked Questions

What is Narsarsukite?
Narsarsukite is a rare sodium iron titanium silicate mineral forming yellow to honey-brown or greenish tetragonal crystals with a vitreous luster in alkaline igneous rocks and nepheline syenites. It was first described from Narsarsuk (Narssarsuak) in Greenland in 1900 and occurs additionally in the
What is the hardness of Narsarsukite?
Narsarsukite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Narsarsukite?
Narsarsukite is primarily Various.
How much does Narsarsukite cost?
Narsarsukite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Narsarsukite?
Narsarsukite belongs to the Tetragonal crystal system.

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