Gahnite

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Physical & Optical Properties

Mohs Hardness 7,5 – 8,0
Specific Gravity 4,0 – 4,62
Refractive Index 1,79 – 1,818
Crystal System Isometric
Color various

Mohs Hardness

Mohs Hardness: 7,5 – 8,0
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

About Gahnite

La gahnita es un mineral de espinela de zinc y aluminio que forma cristales octaédricos de color verde oscuro a azul verdoso o azul en pegmatitas y rocas metamórficas. Aunque es la espinela de zinc más conocida, los cristales transparentes de calidad gemológica son poco comunes; los más finos provienen de Brasil, Australia y Sri Lanka. Su intenso color verde azulado y su rareza la hacen codiciada entre los coleccionistas de gemas y minerales exóticos.

Jewelry Use

Durability 8/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Gahnite?
La gahnita es un mineral de espinela de zinc y aluminio que forma cristales octaédricos de color verde oscuro a azul verdoso o azul en pegmatitas y rocas metamórficas. Aunque es la espinela de zinc más conocida, los cristales transparentes de calidad gemológica son poco comunes; los más finos provie
What is the hardness of Gahnite?
Gahnite has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Gahnite?
Gahnite is primarily Various.
How much does Gahnite cost?
Gahnite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Gahnite?
Gahnite belongs to the Isometric crystal system.

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