Nifontovite

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Physical & Optical Properties

Mohs Hardness 3.5 – 5.0
Specific Gravity 2.35 – 2.36
Refractive Index 1.573 – 1.585
Crystal System Monoclinic
Luster Vitreous
Cleavage Poor
Color various

Mohs Hardness

Mohs Hardness: 3.5 – 5.0
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Nifontovite

Nifontovite is a very rare hydrated calcium borate mineral forming colorless to white or pale gray prismatic orthorhombic crystals with a vitreous luster in skarn and metamorphic environments. It was first described in 1959 from the Tazheran massif in Siberia, Russia, and named after Russian mineralogist N.I. Nifontova. Faceted gem material is extremely rare and of purely scientific and collector interest due to the mineral's very limited occurrence.

Jewelry Use

Durability 2/10

Science FYI Family

Frequently Asked Questions

What is Nifontovite?
Nifontovite is a very rare hydrated calcium borate mineral forming colorless to white or pale gray prismatic orthorhombic crystals with a vitreous luster in skarn and metamorphic environments. It was first described in 1959 from the Tazheran massif in Siberia, Russia, and named after Russian mineral
What is the hardness of Nifontovite?
Nifontovite has a Mohs hardness of 3.5 to 5.0, making it relatively soft for use in jewelry.
What color is Nifontovite?
Nifontovite is primarily Various.
How much does Nifontovite cost?
Nifontovite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Nifontovite?
Nifontovite belongs to the Monoclinic crystal system.

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