Fibrolite

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Physical & Optical Properties

Mohs Hardness 6,0 – 7,0
Specific Gravity 3,14 – 3,25
Refractive Index 1,658 – 1,678
Crystal System Orthorhombic
Luster Vitreous
Cleavage Perfect
Fracture Uneven
Color various
Dispersion 0,015
Pleochroism Distinct

Mohs Hardness

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

Crystal System

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

Value & Market

Price Tier Moderate ($50-500/ct)

About Fibrolite

La fibrolita es la variedad fibrosa y masiva de la silimanita, un polimorfismo del aluminosilicato con la andalucita y la cianita. Se forma en masas enredadas de fibras sedosas en rocas metamórficas de alto grado, produciendo un material que a veces muestra efecto ojo de gato cuando se pule en cabujón. Los especímenes de calidad gemológica de color verde a incoloro transparente, aunque raros, se facetan como preciosas joyas de coleccionista; las fuentes principales son Myanmar y Sri Lanka.

Jewelry Use

Durability 5/10

Science FYI Family

Frequently Asked Questions

What is Fibrolite?
La fibrolita es la variedad fibrosa y masiva de la silimanita, un polimorfismo del aluminosilicato con la andalucita y la cianita. Se forma en masas enredadas de fibras sedosas en rocas metamórficas de alto grado, produciendo un material que a veces muestra efecto ojo de gato cuando se pule en cabuj
What is the hardness of Fibrolite?
Fibrolite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Fibrolite?
Fibrolite is primarily Various.
How much does Fibrolite cost?
Fibrolite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Fibrolite?
Fibrolite belongs to the Orthorhombic crystal system.

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