Loose gemstone

Beryl - Emerald

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Details

Carat: 0.77 ct
Dimensions: 6.7 x 5.0 x 2.9 mm
Cut: Oval Brilliant cut
Shape: Oval
Cutting style: Brilliant cut
Colour: Emerald
Clarity: Moderately included
Treatment: Oiled
Origin: Colombia - unknown
Stone number: 7907

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· Mineralogy ·

Emerald

The emerald shines in rich shades of green, from radiant grass tones to deep emerald hues. Its vibrant luster symbolizes fertility, vitality, and timeless beauty.

7.5 - 8

Mohs hardness

hexagonal

Crystal system

1.565 - 1.602

Refractive index

Oiled

Treatment

Properties

Mineral group: Beryl
Chemical formula: Be₃Al₂Si₆O₁₈
Colorant: chromium and vanadium
Crystal system: hexagonal
Hardness (Mohs): 7.5 - 8
Density: approx. 2.67 - 2.78 g/cm³
Refractive index: 1.565 - 1.602
Optical character: anisotropic, uniaxial negative
Birefringence: 0.005 - 0.009
Dispersion: 0.014
Pleochroism: distinctly dichroic: green / bluish green
Fluorescence: usually inert (iron content quenches), otherwise weak red
Luster: vitreous

Why this stone

As one of the world’s most precious gemstones, it embodies luxury, elegance, and spiritual depth. Its intense color and symbolism make it an essential gemstone for fine jewelry.

Tradition

For thousands of years, the emerald has been a symbol of love, renewal, and wisdom. It is said to open the heart, promote healing, and bring inner harmony.