Vesuvianite (Idocrase)

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Physical & Optical Properties

Mohs Hardness 6,5
Specific Gravity 3,25 – 3,5
Refractive Index 1,7 – 1,725
Crystal System Tetragonal
Luster Greasy
Cleavage Indistinct
Fracture Uneven,Splintery
Color various
Birefringence 0,002
Dispersion 0,019
Pleochroism Orange/brown vesuvianite - weak: light body color - dark body color; Green - weak: yellow-green - yellow-brown; Yellow - weak: colorless - yellow

Mohs Hardness

Mohs Hardness: 6,5
1 Soft10 Hard

Crystal System

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

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Vesuvianite (Idocrase)

About Vesuvianite (Idocrase)

La vesuvianita (o idocrasa) es un mineral de silicato de calcio y aluminio que puede presentarse en colores amarillo, verde, azul, marrón, rojo y morado. La variedad verde translúcida de California, llamada «californita», se ha comercializado como «jade americano». La variedad azul-violeta, conocida como «cyprine», contiene cobre. La primera se describió en lavas del Vesubio (Italia), de ahí su nombre. También se extrae en Rusia, Canadá y México.

Jewelry Use

Durability 6/10

Science FYI Family

Frequently Asked Questions

What is Vesuvianite (Idocrase)?
La vesuvianita (o idocrasa) es un mineral de silicato de calcio y aluminio que puede presentarse en colores amarillo, verde, azul, marrón, rojo y morado. La variedad verde translúcida de California, llamada «californita», se ha comercializado como «jade americano». La variedad azul-violeta, conocida
What is the hardness of Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) has a Mohs hardness of 6.5, making it moderate for use in jewelry.
What color is Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) is primarily Various.
How much does Vesuvianite (Idocrase) cost?
Vesuvianite (Idocrase) falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) belongs to the Tetragonal crystal system.

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