Ferro-axinite (Axinite-(Fe))

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Physical & Optical Properties

Mohs Hardness 6.5 – 7.0
Specific Gravity 3.25 – 3.28
Refractive Index 1.674 – 1.693
Crystal System Triclinic
Luster Vitreous
Cleavage Distinct,Good
Fracture Uneven,Irregular,Conchoidal
Color various

Mohs Hardness

Mohs Hardness: 6.5 – 7.0
1 Soft10 Hard

Crystal System

a b c Triclinic a ≠ b ≠ c, α ≠ β ≠ γ ≠ 90°

Value & Market

Price Tier Moderate ($50-500/ct)

Where to Buy Ferro-axinite (Axinite-(Fe))

About Ferro-axinite (Axinite-(Fe))

Ferro-axinite (Axinite-(Fe)) is the iron-dominant member of the axinite mineral group, forming the characteristic wedge-shaped, bladed crystals in clove-brown to violet hues that the axinite group is known for. Found in contact metamorphic rocks and hydrothermal veins, classic localities include the Bourg d'Oisans valley in France and Cornwall, England, where beautifully transparent brown to violet specimens have been collected for centuries. Faceted ferro-axinite is a striking, unusual collector gem.

Jewelry Use

Durability 6/10

Science FYI Family

Frequently Asked Questions

What is Ferro-axinite (Axinite-(Fe))?
Ferro-axinite (Axinite-(Fe)) is the iron-dominant member of the axinite mineral group, forming the characteristic wedge-shaped, bladed crystals in clove-brown to violet hues that the axinite group is known for. Found in contact metamorphic rocks and hydrothermal veins, classic localities include the
What is the hardness of Ferro-axinite (Axinite-(Fe))?
Ferro-axinite (Axinite-(Fe)) has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Ferro-axinite (Axinite-(Fe))?
Ferro-axinite (Axinite-(Fe)) is primarily Various.
How much does Ferro-axinite (Axinite-(Fe)) cost?
Ferro-axinite (Axinite-(Fe)) falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Ferro-axinite (Axinite-(Fe))?
Ferro-axinite (Axinite-(Fe)) belongs to the Triclinic crystal system.

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