Loose gemstone

Garnet - Spessartite

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Details

Carat: 0.74 ct
Cut: Cushion Brilliant cut
Shape: Cushion
Cutting style: Brilliant cut
Colour: Mandarin
Clarity: Eye-clean
Treatment: Untreated
Origin: unknown - unknown
Stone number: 7911

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· Mineralogy ·

Spessartine

Spessartine glows in pure mandarin orange - the most intense orange the garnet group produces. Manganese gives it a fire that looks almost artificial, yet grew that way.

7 - 7.5

Mohs hardness

cubic

Crystal system

1.79 - 1.81

Refractive index

Untreated

Natural stone

Properties

Mineral group: Garnet (spessartine)
Chemical formula: Mn₃Al₂(SiO₄)₃
Colorant: manganese
Crystal system: cubic
Hardness (Mohs): 7 - 7.5
Density: approx. 4.12 - 4.20 g/cm³
Refractive index: 1.79 - 1.81
Optical character: isotropic (singly refractive)
Birefringence: none
Dispersion: 0.027
Pleochroism: none (isotropic)
Fluorescence: inert
Luster: vitreous

Why this stone

An orange that needs no treatment - rare, powerful, and with the highest refractive index among garnets.

Tradition

Spessartine is associated with drive, warmth, and joy of life. It is said to awaken initiative and encourage confidence.