Demantoid is a garnet gemstone variety with an emerald-green color and mesmerizing, diamond-like sparkle. It’s known for being the most brilliant and currently most valuable garnet variety.
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Mineral family: Andradite Garnet
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Mohs hardness: 6.5-7
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Color: Yellow-green, emerald-green, or deep green, sometimes brownish tint
Crystal structure: Isometric/Cubic -
Luster: Adamantine
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Transparency: Transparent
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Refractive index: 1.880-1.888
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Specific Gravity: 3.81-3.89
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Cleavage: None
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Fracture: Conchoidal
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Streak: White
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Luminescence: None
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Optical effects: Rarely chatoyancy
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Click here to buy cabochon Demantoid.
Click here to buy facet Demantoid.
Natural Gemstones
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Jade
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Labradorite
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Turquoise
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Ruby
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Citrine
Natural Gemstones
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Jade
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Labradorite
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Turquoise
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Ruby
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