Melanite

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Physical & Optical Properties

Mohs Hardness 6.5 – 7.0
Specific Gravity 3.7 – 4.1
Refractive Index 1.855 – 1.895
Crystal System Isometric
Cleavage None
Fracture Conchoidal
Color various
Dispersion 0.057

Mohs Hardness

Mohs Hardness: 6.5 – 7.0
1 Soft10 Hard

Crystal System

Value & Market

Price Tier Moderate ($50-500/ct)

About Melanite

Melanite is a titanium-rich black variety of andradite garnet, forming opaque to subtransparent jet-black crystals with a vitreous to resinous luster in contact metamorphic and alkaline igneous rocks. It occurs in locations including the Roman Province of Italy, Auvergne in France, Saxony in Germany, and Quebec, Canada. Though typically opaque, the intense black color and well-formed dodecahedral crystals make melanite an attractive ornamental and collector stone often set in mourning jewelry.

Jewelry Use

Durability 6/10

Science FYI Family

Frequently Asked Questions

What is Melanite?
Melanite is a titanium-rich black variety of andradite garnet, forming opaque to subtransparent jet-black crystals with a vitreous to resinous luster in contact metamorphic and alkaline igneous rocks. It occurs in locations including the Roman Province of Italy, Auvergne in France, Saxony in Germany
What is the hardness of Melanite?
Melanite has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Melanite?
Melanite is primarily Various.
How much does Melanite cost?
Melanite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Melanite?
Melanite belongs to the Isometric crystal system.

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