Natural Green Aventurine · 0.457 ct · Round Rose Cut · India

 6,86

Natural Green Aventurine from India weighing 0.457 ct, fashioned in a distinctive round rose cut. The gemstone displays an attractive green body colour with characteristic aventurescence, creating subtle reflective flashes under changing light. Individually documented by Natural Gems Belgium; the exact gemstone shown is the specimen supplied.

Exact gemstone shown · Only 1 available

1 in stock

NGB Reference: NGB-000004 SKU: FA-AVEN026GR-003-190 Category: Brand:
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This individually documented natural Green Aventurine from India weighs 0.457 carats and has been fashioned into a distinctive round rose cut.

The gemstone displays an attractive natural green body colour together with the characteristic optical phenomenon known as aventurescence. Fine reflective mineral inclusions within the material produce subtle flashes and shimmering reflections as the stone is moved under changing light, giving this individual specimen its recognisable visual texture and natural character.

The rose cut provides a broad visual presentation of the gemstone, allowing its colour, translucency and internal reflective features to remain prominent. Rather than relying solely on conventional facet brilliance, this cutting style emphasises the natural appearance and aventurescent effect of the material.

Aventurine is a variety of quartz characterised by mineral inclusions that can create its distinctive sparkling optical appearance. In green Aventurine, these reflective inclusions contribute both to the visual depth of the material and to its characteristic shimmering effect.

As a natural gemstone, this Aventurine may display internal mineral inclusions, colour variations, growth features and minor surface characteristics. These features formed during the natural development of the material and contribute to the individuality of the stone.

Its combination of natural green colour, visible aventurescence and individual round rose cutting gives this Aventurine a distinctive appearance suitable for bespoke jewellery, gemstone collecting or use in a unique lapidary design.

This is an individual natural gemstone, not a standardized calibrated stone. The exact Aventurine shown in the accompanying photographs and documentation is the gemstone that will be supplied.

Overall Score: 86.0/100

NGB Grade: Very Good

Quality Evaluation

Color17.0/20
Clarity16.0/20
Cut17.0/20
Optical Performance18.0/20
Overall Appeal18.0/20

Evaluation Notes

An attractive natural Green Aventurine displaying a pleasing green body colour and clearly visible aventurescence produced by natural reflective mineral inclusions. The round rose cut presents the material effectively and allows the optical character of the stone to remain prominent. Its inclusions are intrinsic to the identity and aventurescence of the material rather than being considered solely as clarity limitations. Good visual balance, distinctive optical character and an appealing overall presentation contribute to a very good quality assessment.

Species

Quartz

Gemstone Variety

Aventurine

Color

Green

Shape

Round

Cut

Rose Cut

Treatment

Unheated, Untreated

Origin

India

Transparency

Translucent

Optical Phenomenon

Aventurescence

Gemological Properties

Carat Weight0.457 ct
Dimensions5.0 × 4.9 × 3.0 mm
TransparencyTranslucent
ClarityIncluded
Refractive Index1.544–1.553
Specific Gravity2.64–2.69
Hardness6.5–7 Mohs
Birefringence0.007–0.010
Crystal SystemTrigonal
Dispersion0.013
LusterVitreous
Color DescriptionGreen
Transparency NotesTranslucent, with reflective mineral inclusions contributing to the visible aventurescence.
Natural CharacteristicsNatural reflective mineral inclusions producing aventurescence.

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